Microsoft Windows Kernel Privilege Elevation Vulnerabilities (2711167)

Summary
This host is missing an important security update according to Microsoft Bulletin MS12-042.
Impact
Successful exploitation could allow remote attackers to execute arbitrary code with kernel-mode privileges. 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/ms12-042
Insight
The flaws are due to an, - Error in the User Mode Scheduler (UMS) when handling a particular system request can be exploited to execute arbitrary code. - Error in incorrect protection of BIOS ROM can be exploited to execute arbitrary code.
Affected
Microsoft Windows 7 x64 Edition Service Pack 1 and prior Microsoft Windows XP x32 Edition Service Pack 3 and prior Microsoft Windows 2K3 x32 Edition Service Pack 2 and prior Microsoft Windows Server 2008 x64 Edition Service Pack 1 and prior
References