Microsoft Windows Kernel Denial of Service Vulnerability (2556532)

Summary
This host is missing an important security update according to Microsoft Bulletin MS11-068.
Impact
Successful exploitation could allow remote attacker to cause the system to stop responding or system to restart. 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/ms11-068.mspx
Insight
The flaw is due to an error in the kernel when parsing meta data information in files.
Affected
Microsoft Windows 7 Service Pack 1 and prior. Microsoft Windows Vista Service Pack 2 and prior. Microsoft Windows Server 2008 Service Pack 2 and prior.
References