Microsoft Windows Projected File System Privilege Escalation Vulnerability

A double free vulnerability has been identified in the Windows Projected File System, allowing an authorized attacker to locally elevate privileges. This vulnerability affects multiple Windows versions, including Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, and Windows Server 2025.

Impact

Exploitation of this vulnerability could lead to unauthorized privilege escalation, allowing an attacker to gain SYSTEM privileges.

Remediation

Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates can be downloaded via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5082200, KB5082123, KB5082142, KB5082063, and KB5083768.