CVSS 3.1
7.1 highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HCVE-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."
Severity
- EPSS
- 2.3% chance of exploitation in the next 30 days; higher than 83% of CVEs (scores of 2026-10-31)
- CWE
- CWE-476
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_2003_server
- microsoft:windows_7
- microsoft:windows_server_2003
- microsoft:windows_server_2008
- microsoft:windows_vista
- microsoft:windows_xp
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
- http://www.securitytracker.com/id?1026165
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077