CVE-2011-3408

High

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."

SeverityHigh

CVSS7.2

Exploit probability—

Product

Microsoft Windows

PublishedDec 14, 2011

First seenDec 14, 2011

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-097

Affected products

Product	Affected versions	Fixed in
microsoft windows_7	No range specified	—
microsoft windows_server_2003	No range specified	—
microsoft windows_server_2008	No range specified, r2	—
microsoft windows_vista	No range specified	—
microsoft windows_xp	No range specified	—

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