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Vulnerabilities

Vulnerability · CVE-2022-26923

Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Published May 10, 2022 · catalog updated Jun 16, 2026 · Microsoft Active Directory

Patch now

CVE-2022-26923 is in the CISA known-exploited catalog, due Sep 8, 2022. Confirm Microsoft Active Directory against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
83.50%
Remediation
Remediation guidance
Affected products
cpe microsoft/windows 10 1507 · cpe microsoft/windows 10 1607 · cpe microsoft/windows 10 1809 · cpe microsoft/windows 10 1909 · cpe microsoft/windows 10 20h2 · cpe microsoft/windows 10 21h1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1809version unspecified
  • cpe microsoft/windows 10 1909version unspecified
  • cpe microsoft/windows 10 20h2version unspecified
  • cpe microsoft/windows 10 21h1version unspecified
  • cpe microsoft/windows 10 21h2version unspecified
  • cpe microsoft/windows 11 21h2version unspecified
  • vendor Microsoft Active Directoryversion unspecified

How to fix CVE-2022-26923

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-26923 is in the CISA known-exploited catalog, due Sep 8, 2022. Confirm Microsoft Active Directory against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-295: Improper Certificate Validation. EPSS 83.50%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Technology hubs

Windows security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 10, 2022 · Catalog

    Detected

    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.

  2. Aug 18, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 8, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2022-26923

    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.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2022-26923

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26923

    30-day exploitation probability 83.5%

    first.org
  • Metasploit ModulesPublic exploit moduleauxiliary_admin/dcerpc/cve_2022_26923_certifried

    Public module reference (normal). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2022-26923

    Active Directory Domain Services Elevation of Privilege Vulnerability

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-26923

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.