CVE-2026-83666

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Active Directory Certificate Services (AD CS) allows an authorized attacker to elevate privileges locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83666

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-99320

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3