CVE-2012-1865: Microsoft Windows 2003 Server

High severity, CVSS 7.2. EPSS: 1.6% chance of exploitation in the next 30 days.

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 handle user-mode input passed to kernel mode for driver objects, which allows local users to gain privileges via a crafted application, aka "String Atom Class Name Handling Vulnerability," a different vulnerability than CVE-2012-1864.

Affected products

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

Published 2012-06-12. Last modified 2026-06-16.