Microsoft · Active Directory
CVE-2022-26923
Active Directory Domain Services Elevation of Privilege Vulnerability
Exploited in attacks
High 8.8 Attack chance: 84%
What it is
Active Directory Domain Services Elevation of Privilege Vulnerability
CISA: 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.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: September 8, 2022
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Apr 11, 2022 | Domain Services Privilege Escalation | Active Directory | High 7.5 | 73% |
| Apr 11, 2022 | Domain Services Privilege Escalation | Active Directory | High 7.5 | 77% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| Aug 26, 2026 | Remote Code Execution | SQL Server | High 8.8 | 57% |
| Aug 18, 2026 | Double Free | Internet Key Exchange (IKE) Service Extensions | Critical 9.8 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.