Apple has released the macOS High Sierra 10.13 supplemental update that incorporates fixes for the bugs found in the macOS High Sierra 10.13. You can download macOS High Sierra 10.13 supplement update and implement the fixes on your Mac system.

Apple team has only disclosed two vulnerabilities that were reported by Matheus Mariano of Leet Tech and Patrick Wardle of Synack. The users who have not downloaded macOS High Sierra earlier and want to get this mac update now, need not to apply security updates individually because the latest downloads of macOS High Sierra 10.13 include the security content of the macOS High Sierra 10.13 Supplemental Update.

macOS High Sierra 10.13 Supplemental Update, download macOS dmg offline installer

The bugs fixed in this latest macOS High Sierra 10.13 supplemental update are considered to be critical ones, therefore, every user is recommended to download and install it without any delay.

You can update your Mac either by navigating Mac App Store > Updates or by downloading macOS High Sierra Offline Installer of the supplemental update.

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macOS High Sierra 10.13 Supplemental Update DMG File

StorageKit

Available for: macOS High Sierra 10.13
Impact: A local attacker may gain access to an encrypted APFS volume
Description: If a hint was set in Disk Utility when creating an APFS encrypted volume, the password was stored as the hint. This was addressed by clearing hint storage if the hint was the password, and by improving the logic for storing hints.
CVE-2017-7149: Matheus Mariano of Leet Tech

Security
Available for: macOS High Sierra 10.13
Impact: A malicious application can extract keychain passwords
Description: A method existed for applications to bypass the keychain access prompt with a synthetic click. This was addressed by requiring the user password when prompting for keychain access.
CVE-2017-7150: Patrick Wardle of Synack

Download macOS High Sierra 10.13 Supplemental Update Offline Installer

macOS High Sierra 10.13 Supplemental Update (Size: 881 MB) – Download

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