CVE-2026-69821 Active Directory Certificate Services - Privilege Escalation

Active Directory Certificate Services contains a privilege escalation vulnerability caused by improper encoding or escaping of output, letting authorized attackers elevate privileges locally, exploit requires local authorization.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Privilege Escalation
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
8 September 2026
Updated
15 October 2026
Weakness
CWE-116

Vendor fix

Update to the latest version with security patches.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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