The host is installed with Windows Vista SP2 or Windows Server 2008 SP2 or 2008 R2 or 2008 R2 SP1 or Windows 7 or SP1 and is prone to a privilege escalation vulnerability. A flaw is present in Windows Partition Manager, which fails to handle a specially crafted application. Successful exploitation could allow an attacker to gain the same user rights as the logged-on user.