MICROSOFT-CVE-2026-26174

HIGH7.0

Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

Published Apr 14, 2026

Modified 4 days ago

Details

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.

References

ADVISORY

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26174

CVSS Analysis

CVSS v2.0

7.0

Upstream

CVE-2026-26174

Ecosystems

Timeline

PublishedApr 14, 2026

ModifiedMay 11, 2026