VULNERABILITY INTELLIGENCE
CVE-2011-1231
CVSS score8.4 HIGH
EPSS probability1.35%
CISA KEVNot currently listed
Published2011-04-13
Last modified2026-06-16
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Description
win32k.sys in the kernel-mode drivers 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 allows local users to gain privileges via a crafted application that triggers a NULL pointer dereference, a different vulnerability than other "Vulnerability Type 2" CVEs listed in MS11-034, aka "Win32k Null Pointer De-reference Vulnerability."
Weakness classification
- CWE-476: NULL Pointer Dereference