CVE-2011-1283
Windows XP/2003/Vista/2008 Local Privilege Escalation via CSRSS Memory Corruption
Title source: llmDescription
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 SP1 and SP2, and Windows Server 2008 Gold and SP2 does not ensure that an unspecified array index has a non-negative value before performing read and write operations, which allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted application that triggers an incorrect memory assignment for a user transaction, aka "CSRSS Local EOP SrvSetConsoleNumberOfCommand Vulnerability."
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12362
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA11-193A.html
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-056
Scores
EPSS
0.0212
EPSS Percentile
79.7%
Details
CWE
CWE-119
Status
published
Products (5)
microsoft/windows_2003_server
microsoft/windows_server_2003
microsoft/windows_server_2008
(6 CPE variants)
microsoft/windows_vista
(2 CPE variants)
microsoft/windows_xp
(2 CPE variants)
Published
Jul 13, 2011
Tracked Since
Feb 18, 2026