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 CVEs listed in MS11-054, aka "Win32k Null Pointer De-reference Vulnerability."
References (8)
Core 8
Core References
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-054
Vendor Advisory x_refsource_confirm
http://support.avaya.com/css/P8/documents/100144947
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA11-193A.html
Third Party Advisory third-party-advisory
x_refsource_secunia
http://secunia.com/advisories/45186
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id?1025761
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/48599
Third Party Advisory, VDB Entry vdb-entry
x_refsource_osvdb
http://osvdb.org/73787
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12851
Scores
CVSS v3
8.4
EPSS
0.0133
EPSS Percentile
67.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-476
Status
published
Products (7)
microsoft/windows_2003_server
microsoft/windows_7
(3 CPE variants)
microsoft/windows_server_2003
microsoft/windows_server_2008
(6 CPE variants)
microsoft/windows_server_2008
r2 (2 CPE variants)
microsoft/windows_vista
(2 CPE variants)
microsoft/windows_xp
(2 CPE variants)
Published
Jul 13, 2011
Tracked Since
Feb 18, 2026