Microsoft Brokering File System Privilege Escalation Vulnerability

A double free vulnerability has been identified in the Microsoft Brokering File System, allowing an authorized attacker to locally elevate privileges. This vulnerability arises from improper memory management, creating opportunities for privilege escalation.

Impact

Exploitation of this vulnerability could lead to unauthorized administrative privileges.

Remediation

Users can apply the security update for this vulnerability, which is available through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5083768 for Windows 11 versions 26H1, 24H2, and 25H2, as well as KB5082063 for Windows Server 2025.