MICROSOFT-CVE-2026-26167

HIGH8.8

Windows Push Notifications Elevation of Privilege Vulnerability

Published Apr 14, 2026

Modified 3 days ago

Details

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

References

ADVISORY

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26167

CVSS Analysis

CVSS v2.0

8.8

Upstream

CVE-2026-26167

Ecosystems

Timeline

PublishedApr 14, 2026

ModifiedMay 2, 2026