After the video call ended, the green camera light remains on.

$ lsof | grep -w -i "vdc" | awk '{printf $2"\n"}' | xargs ps
PID TT STAT TIME COMMAND
2852 ?? S 19:23.01 /Applications/Google Chrome.app/Contents/MacOS/Google Chrome -psn0147492
25568 ?? S 4:06.39 /Applications/Microsoft Teams.app/Contents/MacOS/Teams
25579 ?? R 12:28.95 /Applications/Microsoft Teams.app/Contents/Frameworks/Microsoft Teams Helper (Renderer).app/Contents/MacOS/Microsoft Teams Helper (Renderer) --type=renderer --autoplay-policy=no-user-gesture-required --disable-background-t

Note that 25579 is in running (R) state.

If MS Teams is restarted, the green camera light goes off until the next meeting.

/Google Chrome.app/Contents/MacOS/Google Chrome -psn0147492
25568 ?? S 4:06.39 /Applications/Microsoft Teams.app/Contents/MacOS/Teams

Added MS Teams log file. Meeting started at 16:00 (EET).

Teams logs attached at https://pastebin.com/gQfiEMay.