iOS 16.4 has security fixes
Apple has introduced security patches in iOS 16.4 and other new software updates that address potential security issues with the Apple Neural Engine, Gatekeeper, and other system components.
On Monday, the company released iOS 16.4 and beyond with new shortcut actions, additional emoji, web app push notifications, and more. They also contain various fixes for security vulnerabilities, and here are the most serious ones for iOS 16.4, watchOS 9.4, and macOS Ventura 13.3.
Apple has also released updates for older devices with security patches. Apple recommends installing the patch immediately for older operating systems as there is a heavily exploited attack vector that is patched in the update.