In my case, the root cause was the ownership of the ~/Library/Application Support/com.apple.TCC/TCC.db file was incorrect. This file must be owned by me. Instead it was owned by some other user number.
Do all the stuff that allows you to modify TCC.db.
chown the TCC.db to me.
Restore all the stuff that prevents you from modifying TCC.db.
tccutil reset Microphone
Perform the action in Zoom that caused it to prompt for permission.
Say Yes.
Full details https://bit.ly/tccdbowner
edburns
Users receive reputation points by contributing quality content to the forums.
Posts include post and replies published on the forums.
Post authors can mark replies as Accepted to indicate successful solutions.
Apple Developer Forums admins can mark replies as Apple Recommended to indicate an approved solution
User for