VMware has fixed critical vulnerabilities, releasing these versions: Horizon View Client 4.6.1, Workstation Pro 12.5.8, Workstation Player 12.5.8, Fusion Pro / Fusion 8.5.9.
These address issues ranging from Client O/S being able to run commands on the Host O/S, crashing Client VMs (Virtual Machines), and unprivileged users crashing their VMs. Note that Workstation 14.X and Fusion 10.X versions are not affected.
The VMware Security Advisory can be found here. If you are running any of these versions, you should upgrade immediately.