Macos Big Sur 11.5.1 (20g80) -

: This was a "surprise" security patch released just five days after version 11.5.

: Apple stated they were aware of reports that this issue may have been actively exploited in the wild. macOS Big Sur 11.5.1 (20G80)

: Users typically install this by going to System Preferences > Software Update . : This was a "surprise" security patch released