{"history":[{"alert":0,"cve":"CVE-2021-31956","id":22202,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.22273, \"percentile\": 0.97715}"},{"alert":0,"cve":"CVE-2021-31956","id":19821,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.22273, \"percentile\": 0.97702}"},{"alert":0,"cve":"CVE-2021-31956","id":17787,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.22273, \"percentile\": 0.97699}"},{"alert":0,"cve":"CVE-2021-31956","id":15851,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.22273, \"percentile\": 0.97699}"},{"alert":0,"cve":"CVE-2021-31956","id":13829,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.22273, \"percentile\": 0.97698}"},{"alert":0,"cve":"CVE-2021-31956","id":11611,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.22273, \"percentile\": 0.97694}"},{"alert":0,"cve":"CVE-2021-31956","id":9597,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.22273, \"percentile\": 0.97693}"},{"alert":1,"cve":"CVE-2021-31956","id":8449,"kind":"cna","observed_at":1793874000,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2021-31956\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2024-07-26T14:26:34.446169Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2021-11-03\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956\"}, \"type\": \"kev\"}}], \"problemTypes\": [{\"descriptions\": [{\"cweId\": \"CWE-191\", \"description\": \"CWE-191 Integer Underflow (Wrap or Wraparound)\", \"lang\": \"en\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-01-12T20:27:21.010Z\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\"}, \"references\": [{\"tags\": [\"government-resource\"], \"url\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956\"}], \"title\": \"CISA ADP Vulnrichment\"}, {\"providerMetadata\": {\"dateUpdated\": \"2024-08-03T23:10:31.409Z\", \"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\", \"x_transferred\"], \"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956\"}], \"title\": \"CVE Program Container\"}], \"cna\": {\"affected\": [{\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:arm64:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\", \"ARM64-based Systems\"], \"product\": \"Windows 10 Version 1809\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.17763.1999\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2019\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.17763.1999\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2019 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.17763.1999\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_10_1809:10.0.18363.1621:*:*:*:*:*:x64:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\", \"ARM64-based Systems\"], \"product\": \"Windows 10 Version 1909\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.18363.1621\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:arm64:*\", \"cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x86:*\"], \"platforms\": [\"x64-based Systems\", \"ARM64-based Systems\", \"32-bit Systems\"], \"product\": \"Windows 10 Version 21H1\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.19043.1052\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*\"], \"platforms\": [\"32-bit Systems\", \"ARM64-based Systems\", \"x64-based Systems\"], \"product\": \"Windows 10 Version 2004\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.19041.1052\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1052:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server version 2004\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.19041.1052\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:arm64:*\"], \"platforms\": [\"32-bit Systems\", \"ARM64-based Systems\"], \"product\": \"Windows 10 Version 20H2\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.19042.1052\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1052:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server version 20H2\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.19042.1052\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x64:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Windows 10 Version 1507\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.10240.18967\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x64:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Windows 10 Version 1607\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.14393.4467\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2016\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.14393.4467\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2016 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"10.0.14393.4467\", \"status\": \"affected\", \"version\": \"10.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x86:*\"], \"platforms\": [\"32-bit Systems\"], \"product\": \"Windows 7\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.1.7601.25632\", \"status\": \"affected\", \"version\": \"6.1.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows 7 Service Pack 1\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.1.7601.25632\", \"status\": \"affected\", \"version\": \"6.1.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x86:*\", \"cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_rt_8.1:6.3.9600.20045:*:*:*:*:*:*:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\", \"ARM64-based Systems\"], \"product\": \"Windows 8.1\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.3.9600.20045\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.3.9600.20044\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*\"], \"platforms\": [\"32-bit Systems\"], \"product\": \"Windows Server 2008 Service Pack 2\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.0.6003.21137\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*\"], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Windows Server 2008 Service Pack 2 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.0.6003.21137\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2008  Service Pack 2\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.0.6003.21137\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2008 R2 Service Pack 1\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.1.7601.25632\", \"status\": \"affected\", \"version\": \"6.1.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2008 R2 Service Pack 1 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.1.7601.25632\", \"status\": \"affected\", \"version\": \"6.0.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2012\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.2.9200.23372\", \"status\": \"affected\", \"version\": \"6.2.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2012 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.2.9200.23372\", \"status\": \"affected\", \"version\": \"6.2.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2012 R2\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.3.9600.20045\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.3.9600.20044\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}]}, {\"cpes\": [\"cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*\", \"cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*\"], \"platforms\": [\"x64-based Systems\"], \"product\": \"Windows Server 2012 R2 (Server Core installation)\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"6.3.9600.20045\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}, {\"lessThan\": \"6.3.9600.20044\", \"status\": \"affected\", \"version\": \"6.3.0\", \"versionType\": \"custom\"}]}], \"datePublic\": \"2021-06-08T07:00:00.000Z\", \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Windows NTFS Elevation of Privilege Vulnerability\"}], \"metrics\": [{\"cvssV3_1\": {\"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C\", \"version\": \"3.1\"}, \"format\": \"CVSS\", \"scenarios\": [{\"lang\": \"en-US\", \"value\": \"GENERAL\"}]}], \"problemTypes\": [{\"descriptions\": [{\"description\": \"Elevation of Privilege\", \"lang\": \"en-US\", \"type\": \"Impact\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2024-05-29T14:55:31.827Z\", \"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\"}, \"references\": [{\"tags\": [\"x_refsource_MISC\"], \"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956\"}], \"title\": \"Windows NTFS Elevation of Privilege Vulnerability\"}}, \"cveMetadata\": {\"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"assignerShortName\": \"microsoft\", \"cveId\": \"CVE-2021-31956\", \"datePublished\": \"2021-06-08T22:46:25.000Z\", \"dateReserved\": \"2021-04-30T00:00:00.000Z\", \"dateUpdated\": \"2026-01-12T20:27:21.010Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2021-31956","id":7145,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.22273, \"percentile\": 0.97691}"},{"alert":0,"cve":"CVE-2021-31956","id":4922,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.22273, \"percentile\": 0.97687}"},{"alert":0,"cve":"CVE-2021-31956","id":2704,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.22273, \"percentile\": 0.97683}"},{"alert":1,"cve":"CVE-2021-31956","id":1616,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2021-31956\", \"cwes\": [\"CWE-191\", \"CWE-787\"], \"dateAdded\": \"2021-11-03\", \"dueDate\": \"2021-11-17\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://nvd.nist.gov/vuln/detail/CVE-2021-31956\", \"product\": \"Windows\", \"requiredAction\": \"Apply updates per vendor instructions.\", \"shortDescription\": \"Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.\", \"vendorProject\": \"Microsoft\", \"vulnerabilityName\": \"Microsoft Windows NTFS Privilege Escalation Vulnerability\"}"}],"record":{"affected":[{"cpes":["cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.18363.1621:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 10 Version 1909","vendor":"Microsoft","versions":[{"lessThan":"10.0.18363.1621","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x86:*"],"platforms":["x64-based Systems","ARM64-based Systems","32-bit Systems"],"product":"Windows 10 Version 21H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.19043.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 2004","vendor":"Microsoft","versions":[{"lessThan":"10.0.19041.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1052:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server version 2004","vendor":"Microsoft","versions":[{"lessThan":"10.0.19041.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","ARM64-based Systems"],"product":"Windows 10 Version 20H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19042.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1052:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server version 20H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19042.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1507","vendor":"Microsoft","versions":[{"lessThan":"10.0.10240.18967","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x86:*"],"platforms":["32-bit Systems"],"product":"Windows 7","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows 7 Service Pack 1","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_rt_8.1:6.3.9600.20045:*:*:*:*:*:*:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 8.1","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems"],"product":"Windows Server 2008 Service Pack 2","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows Server 2008 Service Pack 2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008  Service Pack 2","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008 R2 Service Pack 1","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008 R2 Service Pack 1 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.23372","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.23372","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2021-31956","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2024-07-26T14:26:34.446169Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2021-11-03","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956"},"type":"kev"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-191","description":"CWE-191 Integer Underflow (Wrap or Wraparound)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-01-12T20:27:21.010Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"references":[{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956"}],"title":"CISA ADP Vulnrichment"},{"providerMetadata":{"dateUpdated":"2024-08-03T23:10:31.409Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956"}],"title":"CVE Program Container"}],"cna":{"affected":[{"cpes":["cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1999:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 10 Version 1809","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.1999:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2019 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.17763.1999","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1621:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:10.0.18363.1621:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 10 Version 1909","vendor":"Microsoft","versions":[{"lessThan":"10.0.18363.1621","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1052:*:*:*:*:*:x86:*"],"platforms":["x64-based Systems","ARM64-based Systems","32-bit Systems"],"product":"Windows 10 Version 21H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.19043.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1052:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 2004","vendor":"Microsoft","versions":[{"lessThan":"10.0.19041.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1052:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server version 2004","vendor":"Microsoft","versions":[{"lessThan":"10.0.19041.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1052:*:*:*:*:*:arm64:*"],"platforms":["32-bit Systems","ARM64-based Systems"],"product":"Windows 10 Version 20H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19042.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1052:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server version 20H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19042.1052","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18967:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1507","vendor":"Microsoft","versions":[{"lessThan":"10.0.10240.18967","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4467:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows 10 Version 1607","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4467:*:*:*:*:*:*:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2016 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"10.0.14393.4467","status":"affected","version":"10.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x86:*"],"platforms":["32-bit Systems"],"product":"Windows 7","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_7:6.1.7601.25632:sp1:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows 7 Service Pack 1","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20044:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_rt_8.1:6.3.9600.20045:*:*:*:*:*:*:*"],"platforms":["32-bit Systems","x64-based Systems","ARM64-based Systems"],"product":"Windows 8.1","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*"],"platforms":["32-bit Systems"],"product":"Windows Server 2008 Service Pack 2","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*"],"platforms":["32-bit Systems","x64-based Systems"],"product":"Windows Server 2008 Service Pack 2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21137:*:*:*:*:*:x86:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008  Service Pack 2","vendor":"Microsoft","versions":[{"lessThan":"6.0.6003.21137","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008 R2 Service Pack 1","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.1.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25632:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2008 R2 Service Pack 1 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.1.7601.25632","status":"affected","version":"6.0.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.23372","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23372:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.2.9200.23372","status":"affected","version":"6.2.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]},{"cpes":["cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20045:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20044:*:*:*:*:*:x64:*"],"platforms":["x64-based Systems"],"product":"Windows Server 2012 R2 (Server Core installation)","vendor":"Microsoft","versions":[{"lessThan":"6.3.9600.20045","status":"affected","version":"6.3.0","versionType":"custom"},{"lessThan":"6.3.9600.20044","status":"affected","version":"6.3.0","versionType":"custom"}]}],"datePublic":"2021-06-08T07:00:00.000Z","descriptions":[{"lang":"en-US","value":"Windows NTFS Elevation of Privilege Vulnerability"}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en-US","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"description":"Elevation of Privilege","lang":"en-US","type":"Impact"}]}],"providerMetadata":{"dateUpdated":"2024-05-29T14:55:31.827Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"tags":["x_refsource_MISC"],"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956"}],"title":"Windows NTFS Elevation of Privilege Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2021-31956","datePublished":"2021-06-08T22:46:25.000Z","dateReserved":"2021-04-30T00:00:00.000Z","dateUpdated":"2026-01-12T20:27:21.010Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794349204,"cve":"CVE-2021-31956","description":"Windows NTFS Elevation of Privilege Vulnerability","epss":{"date":"2026-11-12","epss":0.22273,"percentile":0.97715},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2021-31956","cwes":["CWE-191","CWE-787"],"dateAdded":"2021-11-03","dueDate":"2021-11-17","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://nvd.nist.gov/vuln/detail/CVE-2021-31956","product":"Windows","requiredAction":"Apply updates per vendor instructions.","shortDescription":"Microsoft Windows New Technology File System (NTFS) contains an unspecified vulnerability that allows attackers to escalate privileges via a specially crafted application.","vendorProject":"Microsoft","vulnerabilityName":"Microsoft Windows NTFS Privilege Escalation Vulnerability"},"kev_checked":1794522003,"products":"Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 1909, Microsoft Windows 10 Version 21H1, Microsoft Windows 10 Version 2004, Microsoft Windows Server version 2004, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 10 Version 1507, Microsoft Windows 10 Version 1607, Microsoft Windows Server 2016, Microsoft Windows Server 2016 (Server Core installation), Microsoft Windows 7, Microsoft Windows 7 Service Pack 1, Microsoft Windows 8.1, Microsoft Windows Server 2008 Service Pack 2, Microsoft Windows Server 2008 Service Pack 2 (Server Core installation), Microsoft Windows Server 2008  Service Pack 2, Microsoft Windows Server 2008 R2 Service Pack 1, Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation), Microsoft Windows Server 2012, Microsoft Windows Server 2012 (Server Core installation), Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation)","references":["https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31956","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-31956"],"score":{"baseScore":7.8,"baseSeverity":"HIGH","provider":"microsoft","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Windows NTFS Elevation of Privilege Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}