Windows Kernel-Mode Drivers Remote Code Execution Vulnerabilities (2567053)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS11-087.
Impact
Successful exploitation could allow local attackers to run arbitrary code in kernel mode and take complete control of an affected system. An attacker could then install programs view, change, or delete data or create new accounts with full administrative rights. Impact Level: System
Solution
Run Windows Update and update the listed hotfixes or download and update mentioned hotfixes in the advisory from the below link, http://technet.microsoft.com/en-us/security/bulletin/ms11-087
Insight
The flaw is due to to an error within the Win32k kernel-mode driver (win32k.sys) when parsing TrueType fonts.
Affected
Micorsoft Windows 7 Service Pack 1 and prior Microsoft Windows XP Service Pack 3 and prior Microsoft Windows 2003 Service Pack 2 and prior Microsoft Windows Vista Service Pack 2 and prior Microsoft Windows Server 2008 Service Pack 2 and prior
References