Zoom Client for Meetings through 4.6.8 on macOS copies runwithroot to a user-writable temporary directory during installation, which allows a local process (with the user's privileges) to obtain root access by replacing runwithroot.
https://www.tenable.com/cyber-exposure/2020-threat-landscape-retrospective
https://objective-see.com/blog/blog_0x56.html
https://blog.zoom.us/wordpress/2020/04/01/a-message-to-our-users/