Vulnerabilities in Windows Could Allow Elevation of Privilege (959454)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS09-012.
Impact
Successful exploitation could allow attackers to execute arbitrary code by gaining elevated 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://www.microsoft.com/technet/security/bulletin/ms09-012.mspx
Insight
- Microsoft Distributed Transaction Coordinator (MSDTC) transaction facility allowing the NetworkService token to be obtained and used when making an RPC call. - Windows Management Instrumentation (WMI) provider improperly isolating processes that run under the NetworkService or LocalService accounts. - RPCSS service improperly isolating processes that run under the NetworkService or LocalService accounts. - Windows placing incorrect access control lists (ACLs) on threads in the current ThreadPool.
Affected
Microsoft Windows 2K Service Pack 4 and prior. Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2003 Service Pack 2 and prior. Microsoft Windows Vista Service Pack 1 and prior. Microsoft Windows Server 2008 Service Pack 1 and prior.
References