Not regardless of settings, but critical security updates will be installed without user intervention with the default settings in the App Store Control Panel.

Not regardless of settings, but critical security updates will be installed without user intervention with the default settings in the App Store Control Panel. Here's an article discussing their first use of this mechanism. https://www.computerworld.com/article/2862976/apple-deploys-first-ever-automatic-patch-to-fix-ntp-flaw.html https://www.computerworld.com/article/2862976/apple-deploys-...