CVE-2026-50458

Summary

Use after free in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Affected Software

VendorProductVersion RangeStatus
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 < 10.0.28000.2269affected
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-416: CWE-416: Use After Free
  • CWE-362: CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

References