MS05-053: Vulnerabilities in Graphics Rendering Engine Could

A remote code execution security issue has been identified in the Graphics Rendering Engine that could allow an attacker to remotely compromise your Windows-based system and gain control over it. You can help protect your computer by installing this update from Microsoft. Download:
http://www.microsoft.com/technet/security/Bulletin/MS05-053.mspx

News source: Microsoft TechNet