{"history":[{"alert":0,"cve":"CVE-2026-21514","id":23347,"kind":"epss","observed_at":1794500401,"payload":"{\"date\": \"2026-11-12\", \"epss\": 0.01587, \"percentile\": 0.75963}"},{"alert":0,"cve":"CVE-2026-21514","id":20667,"kind":"epss","observed_at":1794327601,"payload":"{\"date\": \"2026-11-10\", \"epss\": 0.01587, \"percentile\": 0.75819}"},{"alert":0,"cve":"CVE-2026-21514","id":18667,"kind":"epss","observed_at":1794241201,"payload":"{\"date\": \"2026-11-09\", \"epss\": 0.01587, \"percentile\": 0.75789}"},{"alert":0,"cve":"CVE-2026-21514","id":16738,"kind":"epss","observed_at":1794154800,"payload":"{\"date\": \"2026-11-08\", \"epss\": 0.01587, \"percentile\": 0.75778}"},{"alert":0,"cve":"CVE-2026-21514","id":14716,"kind":"epss","observed_at":1794068402,"payload":"{\"date\": \"2026-11-07\", \"epss\": 0.01587, \"percentile\": 0.75761}"},{"alert":0,"cve":"CVE-2026-21514","id":12500,"kind":"epss","observed_at":1793982001,"payload":"{\"date\": \"2026-11-06\", \"epss\": 0.01587, \"percentile\": 0.75722}"},{"alert":0,"cve":"CVE-2026-21514","id":10484,"kind":"epss","observed_at":1793938800,"payload":"{\"date\": \"2026-11-05\", \"epss\": 0.01587, \"percentile\": 0.75702}"},{"alert":0,"cve":"CVE-2026-21514","id":8034,"kind":"epss","observed_at":1793809200,"payload":"{\"date\": \"2026-11-04\", \"epss\": 0.01587, \"percentile\": 0.75684}"},{"alert":0,"cve":"CVE-2026-21514","id":5813,"kind":"epss","observed_at":1793722800,"payload":"{\"date\": \"2026-11-03\", \"epss\": 0.01587, \"percentile\": 0.75639}"},{"alert":1,"cve":"CVE-2026-21514","id":3891,"kind":"cna","observed_at":1793701200,"payload":"{\"containers\": {\"adp\": [{\"metrics\": [{\"other\": {\"content\": {\"id\": \"CVE-2026-21514\", \"options\": [{\"Exploitation\": \"active\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"role\": \"CISA Coordinator\", \"timestamp\": \"2026-02-11T04:56:01.104546Z\", \"version\": \"2.0.3\"}, \"type\": \"ssvc\"}}, {\"other\": {\"content\": {\"dateAdded\": \"2026-02-10\", \"reference\": \"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21514\"}, \"type\": \"kev\"}}], \"providerMetadata\": {\"dateUpdated\": \"2026-02-26T14:44:45.208Z\", \"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-2026-21514\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2026-02-10T00:00:00.000Z\", \"value\": \"CVE-2026-21514 added to CISA KEV\"}], \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"affected\": [{\"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Microsoft 365 Apps for Enterprise\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"https://aka.ms/OfficeSecurityReleases\", \"status\": \"affected\", \"version\": \"16.0.1\", \"versionType\": \"custom\"}]}, {\"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Microsoft Office LTSC 2021\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"https://aka.ms/OfficeSecurityReleases\", \"status\": \"affected\", \"version\": \"16.0.1\", \"versionType\": \"custom\"}]}, {\"platforms\": [\"32-bit Systems\", \"x64-based Systems\"], \"product\": \"Microsoft Office LTSC 2024\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"https://aka.ms/OfficeSecurityReleases\", \"status\": \"affected\", \"version\": \"16.0.0\", \"versionType\": \"custom\"}]}, {\"product\": \"Microsoft Office LTSC for Mac 2021\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"16.106.26020821\", \"status\": \"affected\", \"version\": \"16.0.1\", \"versionType\": \"custom\"}]}, {\"product\": \"Microsoft Office LTSC for Mac 2024\", \"vendor\": \"Microsoft\", \"versions\": [{\"lessThan\": \"16.106.26020821\", \"status\": \"affected\", \"version\": \"16.0.0\", \"versionType\": \"custom\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*\", \"versionEndExcluding\": \"https://aka.ms/OfficeSecurityReleases\", \"versionStartIncluding\": \"16.0.1\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*\", \"versionEndExcluding\": \"16.106.26020821\", \"versionStartIncluding\": \"16.0.1\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*\", \"versionEndExcluding\": \"https://aka.ms/OfficeSecurityReleases\", \"versionStartIncluding\": \"16.0.1\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*\", \"versionEndExcluding\": \"https://aka.ms/OfficeSecurityReleases\", \"versionStartIncluding\": \"16.0.0\", \"vulnerable\": true}, {\"criteria\": \"cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*\", \"versionEndExcluding\": \"16.106.26020821\", \"versionStartIncluding\": \"16.0.0\", \"vulnerable\": true}], \"negate\": false, \"operator\": \"OR\"}]}], \"datePublic\": \"2026-02-10T16:00:00.000Z\", \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.\"}], \"metrics\": [{\"cvssV3_1\": {\"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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\": [{\"cweId\": \"CWE-807\", \"description\": \"CWE-807: Reliance on Untrusted Inputs in a Security Decision\", \"lang\": \"en-US\", \"type\": \"CWE\"}]}], \"providerMetadata\": {\"dateUpdated\": \"2026-08-19T16:26:04.274Z\", \"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\"}, \"references\": [{\"name\": \"Microsoft Word Security Feature Bypass Vulnerability\", \"tags\": [\"vendor-advisory\", \"patch\"], \"url\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514\"}], \"title\": \"Microsoft Word Security Feature Bypass Vulnerability\"}}, \"cveMetadata\": {\"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"assignerShortName\": \"microsoft\", \"cveId\": \"CVE-2026-21514\", \"datePublished\": \"2026-02-10T17:51:34.153Z\", \"dateReserved\": \"2025-12-30T18:10:54.845Z\", \"dateUpdated\": \"2026-08-19T16:26:04.274Z\", \"state\": \"PUBLISHED\"}, \"dataType\": \"CVE_RECORD\", \"dataVersion\": \"5.2\"}"},{"alert":0,"cve":"CVE-2026-21514","id":3489,"kind":"epss","observed_at":1793665375,"payload":"{\"date\": \"2026-11-02\", \"epss\": 0.01587, \"percentile\": 0.75612}"},{"alert":1,"cve":"CVE-2026-21514","id":259,"kind":"kev","observed_at":1793665375,"payload":"{\"cveID\": \"CVE-2026-21514\", \"cwes\": [\"CWE-807\"], \"dateAdded\": \"2026-02-10\", \"dueDate\": \"2026-03-03\", \"forensicTriage\": \"No\", \"knownRansomwareCampaignUse\": \"Unknown\", \"notes\": \"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21514\", \"product\": \"Office\", \"requiredAction\": \"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.\", \"shortDescription\": \"Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.\", \"vendorProject\": \"Microsoft\", \"vulnerabilityName\": \"Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability\"}"}],"record":{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft 365 Apps for Enterprise","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2021","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2024","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.0","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2021","vendor":"Microsoft","versions":[{"lessThan":"16.106.26020821","status":"affected","version":"16.0.1","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2024","vendor":"Microsoft","versions":[{"lessThan":"16.106.26020821","status":"affected","version":"16.0.0","versionType":"custom"}]}],"cna":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-21514","options":[{"Exploitation":"active"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-02-11T04:56:01.104546Z","version":"2.0.3"},"type":"ssvc"}},{"other":{"content":{"dateAdded":"2026-02-10","reference":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21514"},"type":"kev"}}],"providerMetadata":{"dateUpdated":"2026-02-26T14:44:45.208Z","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-2026-21514"}],"timeline":[{"lang":"en","time":"2026-02-10T00:00:00.000Z","value":"CVE-2026-21514 added to CISA KEV"}],"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft 365 Apps for Enterprise","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2021","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.1","versionType":"custom"}]},{"platforms":["32-bit Systems","x64-based Systems"],"product":"Microsoft Office LTSC 2024","vendor":"Microsoft","versions":[{"lessThan":"https://aka.ms/OfficeSecurityReleases","status":"affected","version":"16.0.0","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2021","vendor":"Microsoft","versions":[{"lessThan":"16.106.26020821","status":"affected","version":"16.0.1","versionType":"custom"}]},{"product":"Microsoft Office LTSC for Mac 2024","vendor":"Microsoft","versions":[{"lessThan":"16.106.26020821","status":"affected","version":"16.0.0","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:microsoft:365_apps:*:*:*:*:enterprise:*:*:*","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases","versionStartIncluding":"16.0.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_macos_2021:*:*:*:*:*:long_term_servicing_channel:*:*","versionEndExcluding":"16.106.26020821","versionStartIncluding":"16.0.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_2021:*:*:*:*:long_term_servicing_channel:*:*:*","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases","versionStartIncluding":"16.0.1","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_2024:*:*:*:*:long_term_servicing_channel:*:*:*","versionEndExcluding":"https://aka.ms/OfficeSecurityReleases","versionStartIncluding":"16.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:microsoft:office_macos_2024:*:*:*:*:*:long_term_servicing_channel:*:*","versionEndExcluding":"16.106.26020821","versionStartIncluding":"16.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"datePublic":"2026-02-10T16:00:00.000Z","descriptions":[{"lang":"en-US","value":"Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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":[{"cweId":"CWE-807","description":"CWE-807: Reliance on Untrusted Inputs in a Security Decision","lang":"en-US","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-19T16:26:04.274Z","orgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","shortName":"microsoft"},"references":[{"name":"Microsoft Word Security Feature Bypass Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514"}],"title":"Microsoft Word Security Feature Bypass Vulnerability"}},"cveMetadata":{"assignerOrgId":"f38d906d-7342-40ea-92c1-6c4a2c6478c8","assignerShortName":"microsoft","cveId":"CVE-2026-21514","datePublished":"2026-02-10T17:51:34.153Z","dateReserved":"2025-12-30T18:10:54.845Z","dateUpdated":"2026-08-19T16:26:04.274Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"cna_checked":1794133200,"cve":"CVE-2026-21514","description":"Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.","epss":{"date":"2026-11-12","epss":0.01587,"percentile":0.75963},"epss_checked":1794522003,"first_seen":1793665375,"kev":{"cveID":"CVE-2026-21514","cwes":["CWE-807"],"dateAdded":"2026-02-10","dueDate":"2026-03-03","forensicTriage":"No","knownRansomwareCampaignUse":"Unknown","notes":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21514","product":"Office","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.","vendorProject":"Microsoft","vulnerabilityName":"Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability"},"kev_checked":1794522003,"products":"Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Office LTSC 2021, Microsoft Microsoft Office LTSC 2024, Microsoft Microsoft Office LTSC for Mac 2021, Microsoft Microsoft Office LTSC for Mac 2024","references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21514","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21514"],"score":{"baseScore":7.8,"baseSeverity":"HIGH","provider":"microsoft","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","version":"3.1"},"solutions":"","state":"PUBLISHED","title":"Microsoft Word Security Feature Bypass Vulnerability","updated_at":1794500401,"workarounds":""},"sources":[]}
