This host is missing an important security update according to Microsoft Bulletin MS12-055.

Successful exploitation could allow remote attackers to execute arbitrary code with kernel-mode privileges. 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://technet.microsoft.com/en-us/security/bulletin/ms12-055

The flaw is due to a use-after-free error in win32k.sys when accessing objects in memory.

Microsoft Windows XP x32 Edition Service Pack 3 and prior Microsoft Windows XP x64 Edition Service Pack 2 and prior Microsoft Windows 7 x32/x64 Edition Service Pack 1 and prior Microsoft Windows 2003 x32/x64 Edition Service Pack 2 and prior Microsoft Windows Vista x32/x64 Edition Service Pack 2 and prior Microsoft Windows Server 2008 R2 x64 Edition Service Pack 1 and prior Microsoft Windows Server 2008 x32/x64 Edition Service Pack 2 and prior

• http://secunia.com/advisories/50236/
• http://support.microsoft.com/kb/2731847
• http://technet.microsoft.com/en-us/security/bulletin/ms12-055

---

Updated on 2015-03-25