macOS Monterey 12.6.3 Issues, Bugs & Security Fixes

macos monterey 12.6.3 update

macOS Monterey 12.6.3 update


Apple has released macOS Monterey 12.6.3 (21G419) with security fixes for older Mac and MacBook models that are unable to run macOS Ventura. Here is how to install and everything that you need to know!

macOS Monterey 12.6.3 Update

macos 12.6.3 update

  • As usual, this release is available over-the-air in System Preferences -> Software Update.
  • Click Update Now and be patient until the new software is requested, downloaded, prepared, verified and installed!
  • Fact: This release comes together with the Safari 16.3 update!

macOS Monterey 12.6.3 Features

This update doesn’t bring any new features as it focuses on “important security fixes” instead and is recommended to all users that aren’t able to upgrade to macOS Ventura!

Nevertheless, if any changes are reported we will update them here:

  • To be updated!

macOS Monterey 12.6.3 Security Fixes

The vulnerabilities patched in this update are available in Apple’s support document available here.

Tip: There is an impressive list of fixes. We recommend you to implement them as soon as possible.

macOS 12.6.3 Issues

Problems reported in this version are tracked here:

  • 1. To be updated! (Contribute in the comments.)

Have you installed macOS 12.6.3 on Mac? Did you spot any changes or fixes not mentioned here? Share your feedback in the comments!

Related: Apple has also released iOS 12.5.7 for iPhone 5s, 6 as well as iPad Air, iPad mini 2, iPad mini 3, and iPod touch, iOS 15.7.3 for older iPhone and iPad models as well as macOS Big Sur 11.7.3.