CVE-2013-1248: Microsoft Windows 7

Medium severity, CVSS 4.9. EPSS: 1.5% chance of exploitation in the next 30 days.

Race condition 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, Windows 7 Gold and SP1, Windows 8, Windows Server 2012, and Windows RT allows local users to gain privileges, and consequently read the contents of arbitrary kernel memory locations, via a crafted application, a different vulnerability than other CVEs listed in MS13-016.

Affected products

• Microsoft Windows 7: any version
• 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 2013-02-13. Last modified 2026-06-16.