CVE-2026-54999

HIGH CVSS 8.8 View on NVD ↗

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over an adjacent network.

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54999

Published: Jul 14, 2026 17:17 UTC Modified: Jul 15, 2026 12:17 UTC