Description
Csrsrv.dll in the Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem 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 check permissions for sending inter-process device-event messages from low-integrity processes to high-integrity processes, which allows local users to gain privileges via a crafted application, aka "CSRSS Local Privilege Elevation Vulnerability."
References (3)
Core 3
Core References
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA11-347A.html
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14598
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-097
Scores
EPSS
0.0169
EPSS Percentile
74.8%
Details
CWE
CWE-264
Status
published
Products (6)
microsoft/windows_7
(3 CPE variants)
microsoft/windows_server_2003
microsoft/windows_server_2008
(3 CPE variants)
microsoft/windows_server_2008
r2 (2 CPE variants)
microsoft/windows_vista
microsoft/windows_xp
(2 CPE variants)
Published
Dec 14, 2011
Tracked Since
Feb 18, 2026