MICROSOFT-CVE-2026-34351

HIGH7.8

Windows TCP/IP Elevation of Privilege Vulnerability

Published May 31, 2026

Modified 1 months ago

Details

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

References

ADVISORY

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34351

CVSS Analysis

CVSS v2.0

7.8

Upstream

CVE-2026-34351

Ecosystems

Timeline

PublishedMay 31, 2026

ModifiedJun 5, 2026