The host is missing a critical security update according to Microsoft security bulletin, MS10-022. The update is required to fix remote code execution vulnerability. A flaw is present in VBScript engine, which fails to process WIndows help files in protected mode. User is forced to press the F1 key when a specially crafted dialog box is displayed on a Web page causing the Windows Help System to be started with a Windows Help File provided by the attacker. Successful exploitation allows an attacker to gain sensitive information such as same user rights as the logged-on user.