CVE-2022-26923
KEVMicrosoft Active Directory Domain Services Privilege Escalation Vulnerability
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.
Active Directory Domain Services Elevation of Privilege Vulnerability
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedMay 10, 2022
Last modifiedJun 17, 2026
Added to KEVAug 18, 2022
Remediation dueSep 8, 2022
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26923PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-26923PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26923US Government Resource
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82
Risk assessment · Critical
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1510 days
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 83.5% · top 1% of all CVEs
- Weakness
- CWE-295
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.