November 13, 2026 Follow Egret
CVE-2022-22047 · CVE record: PUBLISHED

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Microsoft Windows 10 Version 1809, Microsoft Windows Server 2019, Microsoft Windows Server 2019 (Server Core installation), Microsoft Windows 10 Version 21H1, Microsoft Windows Server 2022, Microsoft Windows 10 Version 20H2, Microsoft Windows Server version 20H2, Microsoft Windows 11 version 21H2, Microsoft Windows 10 Version 21H2, 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)

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Exploitation evidence

Known exploited · CISA KEV listed

Added 2022-07-12. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2022-08-02. This is the catalog’s deadline, not an assessment of your organization’s exposure.

KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗

Reported products and versions

Microsoft / Windows 10 Version 1809

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.3165 (custom)

Microsoft / Windows 10 Version 1809

Default status: Not specified

  • affected: 10.0.0 to < 10.0.17763.3165 (custom)

Microsoft / Windows Server 2019

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.3165 (custom)

Microsoft / Windows Server 2019 (Server Core installation)

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.3165 (custom)

Microsoft / Windows 10 Version 21H1

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19043.1826 (custom)

Microsoft / Windows Server 2022

Default status: Not specified

  • affected: 10.0.20348.0 to < 10.0.20348.825 (custom)

Microsoft / Windows 10 Version 20H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19042.1826 (custom)

Microsoft / Windows Server version 20H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19042.1826 (custom)

Microsoft / Windows 11 version 21H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.22000.795 (custom)

Microsoft / Windows 10 Version 21H2

Default status: Not specified

  • affected: 10.0.19043.0 to < 10.0.19044.1826 (custom)

Microsoft / Windows 10 Version 1507

Default status: Not specified

  • affected: 10.0.10240.0 to < 10.0.10240.19360 (custom)

Microsoft / Windows 10 Version 1607

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5246 (custom)

Microsoft / Windows Server 2016

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5246 (custom)

Microsoft / Windows Server 2016 (Server Core installation)

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5246 (custom)

Microsoft / Windows 7

Default status: Not specified

  • affected: 6.1.0 to < 6.1.7601.26022 (custom)

Microsoft / Windows 7 Service Pack 1

Default status: Not specified

  • affected: 6.1.0 to < 6.1.7601.26022 (custom)

Microsoft / Windows 8.1

Default status: Not specified

  • affected: 6.3.0 to < 6.3.9600.20478 (custom)

Microsoft / Windows Server 2008 Service Pack 2

Default status: Not specified

  • affected: 6.0.6003.0 to < 6.0.6003.21569 (custom)

Microsoft / Windows Server 2008 Service Pack 2 (Server Core installation)

Default status: Not specified

  • affected: 6.0.6003.0 to < 6.0.6003.21569 (custom)

Microsoft / Windows Server 2008 Service Pack 2

Default status: Not specified

  • affected: 6.0.6003.0 to < 6.0.6003.21569 (custom)

Microsoft / Windows Server 2008 R2 Service Pack 1

Default status: Not specified

  • affected: 6.1.7601.0 to < 6.1.7601.26022 (custom)

Microsoft / Windows Server 2008 R2 Service Pack 1 (Server Core installation)

Default status: Not specified

  • affected: 6.1.7601.0 to < 6.1.7601.26022 (custom)

Microsoft / Windows Server 2012

Default status: Not specified

  • affected: 6.2.9200.0 to < 6.2.9200.23771 (custom)

Microsoft / Windows Server 2012 (Server Core installation)

Default status: Not specified

  • affected: 6.2.9200.0 to < 6.2.9200.23771 (custom)

Microsoft / Windows Server 2012 R2

Default status: Not specified

  • affected: 6.3.9600.0 to < 6.3.9600.20478 (custom)

Microsoft / Windows Server 2012 R2 (Server Core installation)

Default status: Not specified

  • affected: 6.3.9600.0 to < 6.3.9600.20478 (custom)

Fixes and workarounds

No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.

Sources and related reporting

CVE Program record ↗ · Download tracked evidence as JSON

Observed change timeline

History begins when Egret first downloads each source. It is not the complete upstream CVE history.

12 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-12",
  "epss": 0.18264,
  "percentile": 0.97258
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.18264,
  "percentile": 0.97241
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.18765,
  "percentile": 0.97297
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.18765,
  "percentile": 0.97295
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.18765,
  "percentile": 0.97294
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.18765,
  "percentile": 0.9729
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.18765,
  "percentile": 0.97287
}
05 Nov 2026, 06:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-22047",
                "options": [
                  {
                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-16T22:09:40.406527Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          },
          {
            "other": {
              "content": {
                "dateAdded": "2022-07-12",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-22047"
              },
              "type": "kev"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-426",
                "description": "CWE-426 Untrusted Search Path",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:15:38.451Z",
          "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-2022-22047"
          }
        ],
        "timeline": [
          {
            "lang": "en",
            "time": "2022-07-12T00:00:00.000Z",
            "value": "CVE-2022-22047 added to CISA KEV"
          }
        ],
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T03:00:55.323Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Windows 10 Version 1809",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.3165",
              "status": "affected",
              "version": "10.0.17763.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "ARM64-based Systems"
          ],
          "product": "Windows 10 Version 1809",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.3165",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2019",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.3165",
              "status": "affected",
              "version": "10.0.17763.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2019 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.17763.3165",
              "status": "affected",
              "version": "10.0.17763.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems",
            "ARM64-based Systems",
            "32-bit Systems"
          ],
          "product": "Windows 10 Version 21H1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19043.1826",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2022",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.20348.825",
              "status": "affected",
              "version": "10.0.20348.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems"
          ],
          "product": "Windows 10 Version 20H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19042.1826",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server version 20H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19042.1826",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems",
            "ARM64-based Systems"
          ],
          "product": "Windows 11 version 21H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.22000.795",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "ARM64-based Systems",
            "x64-based Systems"
          ],
          "product": "Windows 10 Version 21H2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.19044.1826",
              "status": "affected",
              "version": "10.0.19043.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Windows 10 Version 1507",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.10240.19360",
              "status": "affected",
              "version": "10.0.10240.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Windows 10 Version 1607",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.14393.5246",
              "status": "affected",
              "version": "10.0.14393.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2016",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.14393.5246",
              "status": "affected",
              "version": "10.0.14393.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2016 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "10.0.14393.5246",
              "status": "affected",
              "version": "10.0.14393.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems"
          ],
          "product": "Windows 7",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.1.7601.26022",
              "status": "affected",
              "version": "6.1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows 7 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.1.7601.26022",
              "status": "affected",
              "version": "6.1.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems",
            "ARM64-based Systems"
          ],
          "product": "Windows 8.1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.3.9600.20478",
              "status": "affected",
              "version": "6.3.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems"
          ],
          "product": "Windows Server 2008 Service Pack 2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.0.6003.21569",
              "status": "affected",
              "version": "6.0.6003.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "32-bit Systems",
            "x64-based Systems"
          ],
          "product": "Windows Server 2008 Service Pack 2 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.0.6003.21569",
              "status": "affected",
              "version": "6.0.6003.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2008  Service Pack 2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.0.6003.21569",
              "status": "affected",
              "version": "6.0.6003.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2008 R2 Service Pack 1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.1.7601.26022",
              "status": "affected",
              "version": "6.1.7601.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2008 R2 Service Pack 1 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.1.7601.26022",
              "status": "affected",
              "version": "6.1.7601.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2012",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.2.9200.23771",
              "status": "affected",
              "version": "6.2.9200.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2012 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.2.9200.23771",
              "status": "affected",
              "version": "6.2.9200.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2012 R2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.3.9600.20478",
              "status": "affected",
              "version": "6.3.9600.0",
              "versionType": "custom"
            }
          ]
        },
        {
          "platforms": [
            "x64-based Systems"
          ],
          "product": "Windows Server 2012 R2 (Server Core installation)",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "6.3.9600.20478",
              "status": "affected",
              "version": "6.3.9600.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.17763.3165",
                  "versionStartIncluding": "10.0.17763.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:arm64:*",
                  "versionEndExcluding": "10.0.17763.3165",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.17763.3165",
                  "versionStartIncluding": "10.0.17763.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.17763.3165",
                  "versionStartIncluding": "10.0.17763.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_21H1:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "10.0.19043.1826",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.20348.825",
                  "versionStartIncluding": "10.0.20348.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_20H2:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.19042.1826",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_20H2:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.19042.1826",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_11_21H2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "10.0.22000.795",
                  "versionStartIncluding": "10.0.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.19044.1826",
                  "versionStartIncluding": "10.0.19043.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.10240.19360",
                  "versionStartIncluding": "10.0.10240.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "10.0.14393.5246",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.14393.5246",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "10.0.14393.5246",
                  "versionStartIncluding": "10.0.14393.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x86:*",
                  "versionEndExcluding": "6.1.7601.26022",
                  "versionStartIncluding": "6.1.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.1.7601.26022",
                  "versionStartIncluding": "6.1.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "6.3.9600.20478",
                  "versionStartIncluding": "6.3.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.0.6003.21569",
                  "versionStartIncluding": "6.0.6003.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.0.6003.21569",
                  "versionStartIncluding": "6.0.6003.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2008_sp2:*:*:*:*:*:*:x86:*",
                  "versionEndExcluding": "6.0.6003.21569",
                  "versionStartIncluding": "6.0.6003.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.1.7601.26022",
                  "versionStartIncluding": "6.1.7601.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2008_R2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.1.7601.26022",
                  "versionStartIncluding": "6.1.7601.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.2.9200.23771",
                  "versionStartIncluding": "6.2.9200.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.2.9200.23771",
                  "versionStartIncluding": "6.2.9200.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.3.9600.20478",
                  "versionStartIncluding": "6.3.9600.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*",
                  "versionEndExcluding": "6.3.9600.20478",
                  "versionStartIncluding": "6.3.9600.0",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "datePublic": "2022-07-12T07:00:00.000Z",
      "descriptions": [
        {
          "lang": "en-US",
          "value": "Windows Client Server Run-time Subsystem (CSRSS) 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:U/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": "2025-07-08T15:36:23.318Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047"
        }
      ],
      "title": "Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
    "cveId": "CVE-2022-22047",
    "datePublished": "2022-07-12T22:37:16.000Z",
    "dateReserved": "2021-12-16T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:15:38.451Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.18765,
  "percentile": 0.97286
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.18765,
  "percentile": 0.9728
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.18765,
  "percentile": 0.97275
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2022-22047",
  "cwes": [
    "CWE-426"
  ],
  "dateAdded": "2022-07-12",
  "dueDate": "2022-08-02",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047;  https://nvd.nist.gov/vuln/detail/CVE-2022-22047",
  "product": "Windows",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability"
}
Egret — Back to top Egret