Microsoft Active Directory Domain Services Privilege Escalation Vulnerability

Added to KEV
2022-08-18
Federal due date
2022-09-08
Vendor
Microsoft
Product
Active Directory
EPSS
99.7th percentile (score 0.916, as of 2026-06-08)
NVD CVSS v3.1
Ransomware use
Unknown
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2022-26923

CISA short 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.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.