Microsoft Active Directory Domain Services Privilege Escalation Vulnerability
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.
- Vendor
- Microsoft
- Product
- Active Directory
- CVSS
- 8.8
- EPSS (exploit probability)
- 83.5%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2022-26923 being exploited?
Yes. CISA added CVE-2022-26923 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 83.5% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-13. Full cross-catalog view: /kev-comparison
CVE-2022-26923 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (21 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Microsoft Active Directory CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| CVE-2021-42287 Microsoft Active Directory Domain Services Privilege Escalation Vulnerabilityransomware use | [ HIGH ] | 7.5 | 77.2% | |
| CVE-2021-42278 Microsoft Active Directory Domain Services Privilege Escalation Vulnerabilityransomware use | [ HIGH ] | 7.5 | 73.3% |