A group of five security vulnerabilities could lead to a range of bad outcomes for virtual-machine enthusiasts, including command execution and DoS.
https://threatpost.com/critical-vmware-bugs-esxi-fusion-workstation/178461/
The out-of-bounds read vulnerability enables an attacker to escape a Squirrel VM in games with millions of monthly players – such as Counter-Strike: Global Offensive and Portal 2 – and in cloud services such as Twilio Electric Imp.
https://threatpost.com/squirrel-attackers-execute-code-games-cloud-services/175586/