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CVE-2011-1985

HIGH

7.1

Description

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."

CVE Details

CVSS v3.1 Score7.1

SeverityHIGH

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published10/12/2011

Last Modified4/29/2026

Sourcenvd

Honeypot Sightings0

Affected Products

microsoft:windows_2003_servermicrosoft:windows_7microsoft:windows_server_2003microsoft:windows_server_2008microsoft:windows_vistamicrosoft:windows_xp

Weaknesses (CWE)

CWE-476

References

http://www.securitytracker.com/id?1026165(secure@microsoft.com)

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077(secure@microsoft.com)

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12935(secure@microsoft.com)

http://www.securitytracker.com/id?1026165(af854a3a-2127-422b-91ae-364da2661108)

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077(af854a3a-2127-422b-91ae-364da2661108)

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12935(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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