First published: Wed Oct 12 2011(Updated: )
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."
Credit: secure@microsoft.com secure@microsoft.com
Affected Software | Affected Version | How to fix |
---|---|---|
Microsoft Windows 2003 Server | =sp2 | |
Microsoft Windows 7 | ||
Microsoft Windows 7 | =sp1 | |
Microsoft Windows 7 | =sp1 | |
Microsoft Windows Server 2003 | =sp2 | |
Microsoft Windows Server 2008 Itanium | =sp2 | |
Microsoft Windows Server 2008 Itanium | =sp2 | |
Microsoft Windows Server 2008 Itanium | =sp2 | |
Microsoft Windows Server 2008 Itanium | =r2 | |
Microsoft Windows Server 2008 Itanium | =r2 | |
Microsoft Windows Vista | =sp2 | |
Microsoft Windows XP | =sp3 | |
Microsoft Windows XP | =sp2 | |
Microsoft Windows Vista | =sp2 |
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CVE-2011-1985 has a critical severity rating due to its potential for privilege escalation and denial of service.
The recommended fix for CVE-2011-1985 is to apply the security updates provided by Microsoft.
CVE-2011-1985 affects Microsoft Windows XP SP2/SP3, Windows Vista SP2, Windows Server 2003 SP2, Windows 7, and various editions of Windows Server 2008.
CVE-2011-1985 is primarily a local privilege escalation vulnerability and cannot be exploited remotely.
Signs of exploitation of CVE-2011-1985 may include unexpected system behavior or unauthorized access to system resources.