This host is missing a critical security update according to Microsoft Bulletin MS11-012.

Successful exploitation could allow local attackers to gain elevated privileges. Impact Level: System/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/ms11-012.mspx

The flaws are caused by input validation errors, improper pointer validation, pointer confusions, and memory corruption errors in the Windows kernel-mode drivers 'win32k.sys' when processing data supplied from user mode to kernel mode, which could allow malicious users to execute arbitrary code with kernel privileges.

Micorsoft Windows 7 Microsoft Windows XP Service Pack 3 and prior. Microsoft Windows 2K3 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/2479628
• http://www.microsoft.com/technet/security/bulletin/ms11-012.mspx
• http://www.vupen.com/english/advisories/2011/0325

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Updated on 2015-03-25