All vulnerabilities
CVE-2022-26923

Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Microsoft Active DirectoryIdentity & access
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 18 Aug 2022CISA KEV
Exploit odds (EPSS)83.5%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in10.0.17763.4252Also 10.0.18363.2274, 10.0.19043.1706 and 7 moreCVE List
Federal deadline8 Sep 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

  • 10.0.17763.4252Windows 10 Version 1809CVE List
  • 10.0.17763.4252Windows Server 2019CVE List
  • 10.0.17763.4252Windows Server 2019 (Server Core installation)CVE List
  • 10.0.18363.2274Windows 10 Version 1909CVE List
  • 10.0.19043.1706Windows 10 Version 21H1CVE List
  • 10.0.20348.1668Windows Server 2022CVE List
Show all 17 fixed versions
  • 10.0.19042.1706Windows 10 Version 20H2CVE List
  • 10.0.19042.1706Windows Server version 20H2CVE List
  • 10.0.22000.1817Windows 11 version 21H2CVE List
  • 10.0.19043.1706Windows 10 Version 21H2CVE List
  • 10.0.10240.19297Windows 10 Version 1507CVE List
  • 10.0.14393.5850Windows 10 Version 1607CVE List
  • 10.0.14393.5850Windows Server 2016CVE List
  • 10.0.14393.5850Windows Server 2016 (Server Core installation)CVE List
  • 6.3.9600.20371Windows 8.1CVE List
  • 6.3.9600.20919Windows Server 2012 R2CVE List
  • 6.3.9600.20919Windows Server 2012 R2 (Server Core installation)CVE List

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 10 May 2022, 20:33 UTCPublishedCVE List
  2. 18 Aug 2022Added to CISA KEVCISA KEV

Public exploit code and templates 1

  • Auxiliary moduleActive Directory Certificate Services (ADCS) privilege escalation (Certifried)Metasploit

Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.

Description

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.

Text from CVE List

Affected versions 18

  • Windows 10 Version 1809affected: 10.0.17763.0 before 10.0.17763.4252CVE List
  • Windows 10 Version 1809affected: 10.0.0 before 10.0.17763.4252CVE List
  • Windows Server 2019affected: 10.0.17763.0 before 10.0.17763.4252CVE List
  • Windows Server 2019 (Server Core installation)affected: 10.0.17763.0 before 10.0.17763.4252CVE List
  • Windows 10 Version 1909affected: 10.0.0 before 10.0.18363.2274CVE List
  • Windows 10 Version 21H1affected: 10.0.0 before 10.0.19043.1706CVE List
  • Windows Server 2022affected: 10.0.20348.0 before 10.0.20348.1668CVE List
  • Windows 10 Version 20H2affected: 10.0.0 before 10.0.19042.1706CVE List
  • Windows Server version 20H2affected: 10.0.0 before 10.0.19042.1706CVE List
  • Windows 11 version 21H2affected: 10.0.0 before 10.0.22000.1817CVE List
  • Windows 10 Version 21H2affected: 10.0.19043.0 before 10.0.19043.1706CVE List
  • Windows 10 Version 1507affected: 10.0.10240.0 before 10.0.10240.19297CVE List
  • Windows 10 Version 1607affected: 10.0.14393.0 before 10.0.14393.5850CVE List
  • Windows Server 2016affected: 10.0.14393.0 before 10.0.14393.5850CVE List
  • Windows Server 2016 (Server Core installation)affected: 10.0.14393.0 before 10.0.14393.5850CVE List
  • Windows 8.1affected: 6.3.0 before 6.3.9600.20371CVE List
  • Windows Server 2012 R2affected: 6.3.9600.0 before 6.3.9600.20919CVE List
  • Windows Server 2012 R2 (Server Core installation)affected: 6.3.9600.0 before 6.3.9600.20919CVE List

References 5