CVE-2026-54999

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MicrosoftWindows 10 Version 160710.0.14393.0 < 10.0.14393.9339affected
MicrosoftWindows 10 Version 180910.0.17763.0 < 10.0.17763.9020affected
MicrosoftWindows 10 Version 21H210.0.19044.0 < 10.0.19044.7548affected
MicrosoftWindows 10 Version 22H210.0.19045.0 < 10.0.19045.7548affected
MicrosoftWindows 11 Version 24H210.0.26100.0 < 10.0.26100.8875affected
MicrosoftWindows 11 Version 25H210.0.26200.0 < 10.0.26200.8875affected
MicrosoftWindows 11 version 26H110.0.28000.0 < 10.0.28000.2525affected
MicrosoftWindows Server 20126.2.9200.0 < 6.2.9200.26226affected
MicrosoftWindows Server 2012 (Server Core installation)6.2.9200.0 < 6.2.9200.26226affected
MicrosoftWindows Server 2012 R26.3.9600.0 < 6.3.9600.23291affected
MicrosoftWindows Server 2012 R2 (Server Core installation)6.3.9600.0 < 6.3.9600.23291affected
MicrosoftWindows Server 201610.0.14393.0 < 10.0.14393.9339affected
MicrosoftWindows Server 2016 (Server Core installation)10.0.14393.0 < 10.0.14393.9339affected
MicrosoftWindows Server 201910.0.17763.0 < 10.0.17763.9020affected
MicrosoftWindows Server 2019 (Server Core installation)10.0.17763.0 < 10.0.17763.9020affected
MicrosoftWindows Server 202210.0.20348.0 < 10.0.20348.5386affected
MicrosoftWindows Server 202510.0.26100.0 < 10.0.26100.33158affected
MicrosoftWindows Server 2025 (Server Core installation)10.0.26100.0 < 10.0.26100.33158affected

Weaknesses

  • CWE-362: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

References