https://www.bleepingcomputer.com/news/security/zoom-fixes-zero-day-rce-bug-affecting-windows-7-more-updates-soon/ > ​The Zoom web conference Client contained a zero-day vulnerability that could have allowed attackers to execute commands on vulnerable systems remotely. > The exploitation of the vulnerability required at least some form of action on the victim's end, such as downloading and opening a malicious attachment, however, no security notifications would be triggered during exploitation.