Recorded 10 Nov 2026 at 18:32 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position.
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CVEMicrosoft Security Response Center
Windows Brokering File System Elevation of Privilege Vulnerability
Missing authentication for critical function in Windows Brokering File System allows an authorized attacker to elevate privileges locally.
CWE-306: Missing Authentication for Critical Function
Issued by
Microsoft
Customer action
Required: follow the MSRC remediation guidance
Affected products
Windows Server 2025, Windows Server 2025 (Server Core installation)
Updates that fix it
KB5131077: Windows Server 2025, Windows Server 2025 (Server Core installation); KB5131080: Windows Server 2025, Windows Server 2025 (Server Core installation) (restart required)