This host is missing an important security update according to Microsoft Bulletin MS11-051.

Successful exploitation will allow attacker to execute arbitrary HTML and script code in a user's browser session in the context of an affected site. Impact Level: Application

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/MS11-051.mspx

The flaw is caused by improper input validation of a request parameter on an Active Directory Certificate Services Web Enrollment site.

Active Directory Certificate Services, - Microsoft Windows 2K3 Service Pack 2 and prior - Microsoft Windows Server 2008 Service Pack 2 and prior

• http://support.microsoft.com/kb/2518295
• http://www.microsoft.com/technet/security/bulletin/MS11-051.mspx

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Updated on 2015-03-25