The host is installed with Oracle VM VirtualBox 5.1.x before 5.1.4 and is prone to a privilege escalation vulnerability. A flaw is present in the VirtualBox Remote Desktop Extension (VRDE), which fails to handle unknown vectors. Successful exploitation can result in unauthorized creation, deletion or modification access to critical data or all Oracle VM VirtualBox accessible data as well as unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data.