The host is installed with Windows XP, Windows Vista, Windows Server 2008, Windows Server 2003 and Windows 7 and is prone to remote code execution vulnerability. A flaw is present in DNS client service which does not properly handle specially crafted LLMNR queries. Successful exploitation allows attackers to run arbitrary code in the context of the network service account like install programs, view, change, or delete data or create new accounts with full user rights.