Unrated severityNVD Advisory· Published Sep 9, 2025· Updated Feb 26, 2026

Microsoft Brokering File System Elevation of Privilege Vulnerability

CVE-2025-54105

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Brokering File System allows an authorized attacker to elevate privileges locally.

Affected products

Microsoft/Brokering File Systemllm-fuzzy
Microsoft/Windows 11 24h2cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows Server 2022, 23H2 Edition (Server Core installation)v5
Range: 10.0.25398.0
Microsoft/Windows Server 2025cpe-rescue
Range: 10.0.26100.0
Microsoft/Windows Server 2025 (Server Core installation)v5
Range: 10.0.26100.0

Patches

Vulnerability mechanics

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-54105mitrevendor-advisorypatch

News mentions

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