Microsoft Pragmatic General Multicast (PGM) Denial of Service Vulnerability (950762)

Summary
This host is missing a critical security update according to Microsoft Bulletin MS08-036.
Impact
Successful exploitation could allow remote attackers to cause a vulnerable system to become non-responsive. Impact Level: System/Application
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/ms08-036.mspx
Insight
The flaw is due to the errors in Pragmatic General Multicast (PGM) protocol when handling PGM packets with an invalid option length field or fragment option.
Affected
Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2K3 Service Pack 2 and prior. Microsoft Windows Vista Service Pack 1 and prior. Microsoft Windows Server 2008 Service Pack 1 and prior.
References