#CRITICAL APPLE SECURITY UPDATE MAC OS#
The simplest way to confirm that Security Update 2017-001 has been applied to a particular Macintosh running macOS High Sierra is to check the Mac OS build number on the computer. Note that while you can download the software update yourself, Apple is reportedly going to start automatically pushing the download to macOS High Sierra machines later. Confirming the Security Update Applied to a Mac If you require the root user account on your Mac, you can enable the root user and change the root user’s password. Learn how to find the macOS version and build number on your Mac. When you install Security Update 2017-001 on your Mac, the build number of macOS will be 17B1002.
This was addressed with improved credential validation. Impact: An attacker may be able to bypass administrator authentication without supplying the administrator’s passwordĭescription: A logic error existed in the validation of credentials. Not impacted: macOS Sierra 10.12.6 and earlier Security Update 2017-001 is recommended for all users and improves the security of macOS.”), but Apple details the bug and release notes for the security patch a big more here on a support page: The download notes are brief (“Install this update as soon as possible. macOS High Sierra Security Update 2017-001 Release Notes The security update, which seems to apply to the “Directory Utility” application in macOS, does not require the Mac to reboot for changes to take effect. Security Update 2017-001” available, click on the “Update” button When you see “Security Update – Install this update as soon as possible.Go to the Apple menu and choose “App Store”.
#CRITICAL APPLE SECURITY UPDATE HOW TO#
Security Update 2017-001 is recommended for all users and improves the security of macOS.” How to Install macOS High Sierra Security Update 2017-001 The brief notes attached to the App Store download say “Install this update as soon as possible. The software update is labeled as “Security Update 2017-001” and is exclusive to macOS High Sierra. This is perhaps the most urgent Security Update for macOS High Sierra system software released yet, as it will patch the security hole completely. All macOS High Sierra users should install the security update as soon as possible to protect their Mac, even if they have already used the root login fix detailed here.
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