CVE-2011-1985

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 validate user-mode input, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via a crafted application, aka "Win32k Null Pointer De-reference Vulnerability."

Score

CVSS 3.1 7.1 High

Status

Modified - secure@microsoft.com

Published

2011-10-12

Last modified

2025-01-21

Weaknesses

CWE-476

Affected products

• Windows 2003 Server (Microsoft)
• Windows 7 (Microsoft)
• Windows Server 2003 (Microsoft)
• Windows Server 2008 (Microsoft)
• Windows Vista (Microsoft)
• Windows Xp (Microsoft)

References

• http://www.securitytracker.com/id?1026165
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12935