The U.S. Computer Emergency Readiness Team CERT has issued an alert for a dangerous guest-to-host virtual machine escape vulnerability affecting virtualization software from multiple vendors.
The vulnerability, which affects 64-bit operating systems and virtualization software running on Intel CPU hardware, exposes users to local privilege escalation attack or a guest-to-host virtual machine escape.
via US-CERT warns of guest-to-host VM escape vulnerability | ZDNet.