Virtual Address Descriptor Manipulation Elevation of Privilege Vulnerability (956841)

Summary
This host is missing important security update according to Microsoft Bulletin MS08-064.
Impact
Successful exploitation could allow elevation of privilege and can cause a memory allocation mapping error and corrupt memory on affected system. 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://www.microsoft.com/technet/security/Bulletin/MS08-064.mspx
Insight
The flaw exists due to the way that Memory Manager handles memory allocation and Virtual Address Descriptors (VADs).
Affected
Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows Server 2003 Service Pack 2 and prior. Microsoft Windows Vista Service Pack 1 and prior. Microsoft Windows Server 2008 Service Pack 1 and prior.
References