CVE-2011-1249: Microsoft Windows 2003 Server

High severity, CVSS 7.2. EPSS: 8.4% chance of exploitation in the next 30 days.

The Ancillary Function Driver (AFD) in afd.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly validate user-mode input, which allows local users to gain privileges via a crafted application, aka "Ancillary Function Driver Elevation of Privilege Vulnerability."

Affected products

• Microsoft Windows 2003 Server: any version
• Microsoft Windows 7: affected versions not specified
• Microsoft Windows Server 2003: any version
• Microsoft Windows Server 2008: any version; affected versions not specified; version r2 only
• Microsoft Windows Vista: any version
• Microsoft Windows XP: any version; affected versions not specified

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