This host is missing a critical security update according to Microsoft Bulletin MS11-063.

Successful exploitation could allow attacker to execute arbitrary code with system-level privileges. Successfully exploiting this issue will result in the complete compromise of affected computers. Impact Level: System

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/ms11-063.mspx

The flaw is due to error in the Client/Server Run-time Subsystem (CSRSS) when evaluates inter-process device event message permissions.

Micorsoft Windows 7 Service Pack 1 and prior. Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2003 Service Pack 2 and prior. Microsoft Windows Vista Service Pack 2 and prior. Microsoft Windows Server 2008 Service Pack 2 and prior.

• http://support.microsoft.com/kb/2567680
• http://www.microsoft.com/technet/security/bulletin/ms11-063.mspx

---

Updated on 2015-03-25