MICROSOFT-CVE-2026-42836

HIGH7.0

Windows Function Discovery Service (fdwsd.dll) Elevation of Privilege Vulnerability

Published Jun 9, 2026

Modified 1 weeks ago

Details

Concurrent execution using shared resource with improper synchronization ('race condition') in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.

References

ADVISORY

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42836

CVSS Analysis

CVSS v2.0

7.0

Upstream

CVE-2026-42836

Ecosystems

Timeline

PublishedJun 9, 2026

ModifiedJun 9, 2026