Microsoft Windows Projected File System Privilege Escalation Vulnerability

A vulnerability allowing integer overflow or wraparound has been identified in the Windows Projected File System. This flaw enables an authorized attacker to locally elevate privileges. The vulnerability affects multiple Windows 10 and Windows 11 versions, as well as Windows Server 2019, 2022, and 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 update for this vulnerability through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles linked within the security update guide.