Microsoft Windows Win32K ICOMP Privilege Escalation Vulnerability

A double free vulnerability has been identified in the Windows Win32K component, specifically within ICOMP. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper memory management, leading to a double free condition that can be exploited to gain higher system privileges.

Impact

Exploitation of this vulnerability could allow an attacker to gain SYSTEM 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 KB5073379 (for Windows Server 2025), KB5074109 (for Windows 11 versions 24H2 and 25H2), KB5073450 (for Windows Server 2022, 23H2 Edition), and KB5073457 (for Windows Server 2022).