mpengine.dll in Microsoft Malware Protection Engine before 1.1.10701.0 allows remote attackers to cause a denial of service (system hang) via a crafted file.Referenceshttp://www.securitytracker.com/id/1030438http://secunia.com/advisories/59337http://www.securityfocus.com/bid/68076https://technet.microsoft.com/library/security/2974294