Microsoft Windows Cloud Files Mini Filter Driver Privilege Escalation Vulnerability

A use-after-free vulnerability has been identified in the Windows Cloud Files Mini Filter Driver, allowing an authorized attacker to locally elevate privileges. This vulnerability affects multiple Windows 10 and Windows 11 versions, as well as Windows Server 2019 and 2022.

Impact

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

Remediation

Users can download the security update for this vulnerability via the Microsoft Update Catalog. Specific update details can be found in the Microsoft Knowledge Base articles KB5087544, KB5089548, KB5087538, and KB5087420.