This host is missing a critical security update according to Microsoft Bulletin MS11-044.

Successful exploitation could allow context-dependent attackers to bypass intended access restrictions in opportunistic circumstances by leveraging a crafted application. 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://technet.microsoft.com/en-us/security/bulletin/ms11-044

The flaw is due to the JIT compiler, when IsJITOptimizerDisabled is false, does not properly handle expressions related to null strings, which allows context-dependent attackers to bypass intended access restrictions.

Microsoft .NET Framework 4.0 Microsoft .NET Framework 3.5 Microsoft .NET Framework 3.5.1 Microsoft .NET Framework 3.5 Service Pack 1 Microsoft .NET Framework 2.0 Service Pack 2 Microsoft .NET Framework 2.0 Service Pack 1

• http://secunia.com/advisories/44899/
• http://stackoverflow.com/questions/2135509/bug-only-occurring-when-compile-optimization-enabled/
• http://technet.microsoft.com/en-us/security/bulletin/ms11-044

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Updated on 2015-03-25