Microsoft Windows Kernel-Mode Drivers Privilege Elevation Vulnerabilities (2840221)

Summary
This host is missing an important security update according to Microsoft Bulletin MS13-046.
Impact
Successful exploitation will allow remote attackers to gain escalated privileges or cause buffer overflow and execute arbitrary code. 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, https://technet.microsoft.com/en-us/security/bulletin/ms13-046
Insight
Multiple flaws are due to, - A race condition error within the DirectX graphics kernel subsystem. - An unspecified error within the Windows kernel-mode driver (win32k.sys)
Affected
Microsoft Windows 8 Microsoft Windows Server 2012 Microsoft Windows XP x32 Edition Service Pack 3 and prior Microsoft Windows XP x64 Edition Service Pack 2 and prior Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior Microsoft Windows 2003 x32/x64 Edition Service Pack 2 and prior Microsoft Windows Vista x32/x64 Edition Service Pack 2 and prior Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2 and prior
References