November 13, 2026 Follow Egret
CVE-2022-26923 · CVE record: PUBLISHED

Active Directory Domain Services Elevation of Privilege Vulnerability

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 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 8.1, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012 R2 (Server Core installation)

Active Directory Domain Services Elevation of Privilege Vulnerability

Exploitation evidence

Known exploited · CISA KEV listed

Added 2022-08-18. Ransomware campaign use: Unknown.

CISA required action: Apply updates per vendor instructions.

CISA due date: 2022-09-08. 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 < 10.0.17763.4252 (custom)

Microsoft / Windows 10 Version 1809

Default status: Not specified

  • affected: 10.0.0 to < 10.0.17763.4252 (custom)

Microsoft / Windows Server 2019

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.4252 (custom)

Microsoft / Windows Server 2019 (Server Core installation)

Default status: Not specified

  • affected: 10.0.17763.0 to < 10.0.17763.4252 (custom)

Microsoft / Windows 10 Version 1909

Default status: Not specified

  • affected: 10.0.0 to < 10.0.18363.2274 (custom)

Microsoft / Windows 10 Version 21H1

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19043.1706 (custom)

Microsoft / Windows Server 2022

Default status: Not specified

  • affected: 10.0.20348.0 to < 10.0.20348.1668 (custom)

Microsoft / Windows 10 Version 20H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19042.1706 (custom)

Microsoft / Windows Server version 20H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.19042.1706 (custom)

Microsoft / Windows 11 version 21H2

Default status: Not specified

  • affected: 10.0.0 to < 10.0.22000.1817 (custom)

Microsoft / Windows 10 Version 21H2

Default status: Not specified

  • affected: 10.0.19043.0 to < 10.0.19043.1706 (custom)

Microsoft / Windows 10 Version 1507

Default status: Not specified

  • affected: 10.0.10240.0 to < 10.0.10240.19297 (custom)

Microsoft / Windows 10 Version 1607

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5850 (custom)

Microsoft / Windows Server 2016

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5850 (custom)

Microsoft / Windows Server 2016 (Server Core installation)

Default status: Not specified

  • affected: 10.0.14393.0 to < 10.0.14393.5850 (custom)

Microsoft / Windows 8.1

Default status: Not specified

  • affected: 6.3.0 to < 6.3.9600.20371 (custom)

Microsoft / Windows Server 2012 R2

Default status: Not specified

  • affected: 6.3.9600.0 to < 6.3.9600.20919 (custom)

Microsoft / Windows Server 2012 R2 (Server Core installation)

Default status: Not specified

  • affected: 6.3.9600.0 to < 6.3.9600.20919 (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": 0.835,
  "percentile": 0.99689
}
10 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-10",
  "epss": 0.835,
  "percentile": 0.99687
}
09 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-09",
  "epss": 0.835,
  "percentile": 0.99686
}
08 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-08",
  "epss": 0.835,
  "percentile": 0.99686
}
07 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-07",
  "epss": 0.835,
  "percentile": 0.99686
}
06 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-06",
  "epss": 0.835,
  "percentile": 0.99686
}
06 Nov 2026, 06:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-05",
  "epss": 0.835,
  "percentile": 0.99685
}
05 Nov 2026, 00:20 Jerusalem · CVE Program record changed

Stored CNA snapshot at this observation.

{
  "containers": {
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              "x_transferred"
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            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-26923",
                "options": [
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                    "Exploitation": "active"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-04T19:02:09.330320Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          },
          {
            "other": {
              "content": {
                "dateAdded": "2022-08-18",
                "reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923"
              },
              "type": "kev"
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          }
        ],
        "problemTypes": [
          {
            "descriptions": [
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                "description": "CWE-295 Improper Certificate Validation",
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        "providerMetadata": {
          "dateUpdated": "2025-10-21T23:15:40.068Z",
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        "references": [
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            "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923"
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        "timeline": [
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            "time": "2022-08-18T00:00:00.000Z",
            "value": "CVE-2022-26923 added to CISA KEV"
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        ],
        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
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        {
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          "product": "Windows 10 Version 21H1",
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              "version": "10.0.0",
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          "platforms": [
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          "product": "Windows Server 2022",
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          "versions": [
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              "version": "10.0.20348.0",
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        {
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          ]
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      ],
      "cpeApplicability": [
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      ],
      "datePublic": "2022-05-10T07:00:00.000Z",
      "descriptions": [
        {
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          "value": "Active Directory Domain Services Elevation of Privilege Vulnerability"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/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": [
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              "value": "GENERAL"
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          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en-US",
              "type": "Impact"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-02T18:58:25.436Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
        "shortName": "microsoft"
      },
      "references": [
        {
          "name": "Active Directory Domain Services Elevation of Privilege Vulnerability",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26923"
        }
      ],
      "title": "Active Directory Domain Services Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
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    "assignerShortName": "microsoft",
    "cveId": "CVE-2022-26923",
    "datePublished": "2022-05-10T20:33:39.000Z",
    "dateReserved": "2022-03-11T00:00:00.000Z",
    "dateUpdated": "2025-10-21T23:15:40.068Z",
    "state": "PUBLISHED"
  },
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}
04 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-04",
  "epss": 0.835,
  "percentile": 0.99685
}
03 Nov 2026, 18:20 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-03",
  "epss": 0.835,
  "percentile": 0.99685
}
03 Nov 2026, 02:22 Jerusalem · EPSS observation updated

Stored EPSS snapshot at this observation.

{
  "date": "2026-11-02",
  "epss": 0.835,
  "percentile": 0.99684
}
03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed

Stored KEV snapshot at this observation.

{
  "cveID": "CVE-2022-26923",
  "cwes": [
    "CWE-295"
  ],
  "dateAdded": "2022-08-18",
  "dueDate": "2022-09-08",
  "forensicTriage": "No",
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-26923;  https://nvd.nist.gov/vuln/detail/CVE-2022-26923",
  "product": "Active Directory",
  "requiredAction": "Apply updates per vendor instructions.",
  "shortDescription": "An authenticated user could manipulate attributes on computer accounts they own or manage, and acquire a certificate from Active Directory Certificate Services that would allow for privilege escalation to SYSTEM.",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Active Directory Domain Services Privilege Escalation Vulnerability"
}
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