CVE-2011-5046: Microsoft Windows 7

High severity, CVSS 9.3. EPSS: 45.3% chance of exploitation in the next 30 days.

The Graphics Device Interface (GDI) in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted data, as demonstrated by a large height attribute of an IFRAME element rendered by Safari, aka "GDI Access Violation Vulnerability."

Affected products

• Microsoft Windows 7: any version
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version; version r2 only
• Microsoft Windows Vista: any version
• Microsoft Windows XP: any version

Published 2011-12-30. Last modified 2026-06-16.