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macOS Golden Gate 27

Apple released macOS Golden Gate 27 on 14/09/2026. This release fixes security vulnerabilities

Historical release — a newer release is available

This article is retained as a historical record. Follow the newer release for the device and software branch it covers; this does not establish whether an older branch is still supported.

Manufacturer release date: 14/09/2026

Article last updated: 05/10/2026

Sources last checked: 05/10/2026

The source check for this release hasn't completed in over 24 hours — some information may be out of date. The manufacturer's official page below is always the most current source.

What has changed

Apple publishes the fixed vulnerabilities in its security content advisory for this release. Use the official release page below for the current details.

Who should check

Covers: Mac / macOS.

Applies to: MacBook Neo (2026), MacBook Air with Apple silicon (2020 and later), MacBook Pro with Apple silicon (2020 and later), iMac with Apple silicon (2021 and later), Mac mini with Apple silicon (2020 and later), Mac Studio (2022 and later), Mac Pro with Apple silicon (2023).

We don't know which software your device is running. The steps below show you how to check — then compare what you see with the affected versions listed here.

What to do

On the Mac, open System Settings > General > Software Update and install the version Apple offers.

Updates only reach the model generations Apple lists for each release. Older devices stay on an older branch — check Apple's security releases page for which branch the model receives.

How to check, and how to update

Mac

Check the version: On your Mac, from the Apple menu choose About This Mac. It shows the macOS version installed.

Install the update: Open System Settings (or System Preferences on older versions), then General > Software Update. Install the update that applies to your Mac.

Menus can differ slightly between models and software versions — if something looks different, follow the manufacturer's official page below.

Apple: Update macOS on your Mac

Official sources

Record history

  • 05/10/2026 — updated: Superseded by apple-mac-macos-golden-gate-27-0-1 — the current applicable release for these devices.
  • 05/10/2026 — published: Initial automated publication from official sources.

This article is automatically summarised from official sources. It isn't a manual editorial review. Guidance can help reduce risk. No setting or service can guarantee complete online safety.

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