CVE-2012-2553: Microsoft Windows 7

High severity, CVSS 7.2. EPSS: 1.8% chance of exploitation in the next 30 days.

Use-after-free vulnerability in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted application, aka "Win32k Use After Free Vulnerability."

Affected products

• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version
• Microsoft Windows Vista: affected versions not specified
• Microsoft Windows XP: any version

Published 2012-11-14. Last modified 2026-06-16.