Buried inside macOS 11.which was released Monday morning, is a patch that fixes a critical vulnerability that was actively being exploited. This means that, yes, hackers or criminals or governments around the world were using this previously unreported bug for their own malicious ends. . That’s according to Patrick Wardle, creator of the Mac security website and tool suite .
Link: Apple fixes major bug in macOS that left users ‘at grave risk’ to malware