Vulnerability resides in Messenger version 460.16, which allows attackers to leverage the app to potentially execute malicious files already present on a compromised system. Facebook quickly patched the flaw with the release of an updated version of Facebook Messenger for Windows users via the Microsoft store. The vulnerability has been fixed in version 480.5, which is the most recent release that Reason tested. Facebook Messenger has 1.3 billion active users a month, many access the service through their Windows-based machines, according to the social media giant.
Source: https://thehackernews.com/2020/06/facebook-malware-persistence.html