CVE-2013-3881: Microsoft Windows 7

High severity, CVSS 7.2. EPSS: 14.8% chance of exploitation in the next 30 days.

win32k.sys in the kernel-mode drivers in Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 allows local users to gain privileges via a crafted application, aka "Win32k NULL Page Vulnerability."

Affected products

• Microsoft Windows 7: any version

Published 2013-10-09. Last modified 2026-06-16.