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MediumActively exploitedmacOS

Safari and macOS Sonoma before 14.5: WebKit flaw that bypasses Pointer Authentication, update now

Anyone still on an old Mac, iPhone or iPad that hasn't taken Apple's May 2024 updates.

How to fix it

You haveUpdate to
< 14.5→14.5

Check your version

Your macOS version
sw_vers

Update

Software Update

System Settings›General›Software Update

Apple fixed this in May 2024, so a Mac on any current macOS is already safe. On macOS Monterey or Ventura the fix is Safari 17.5, which comes through Software Update. iPhones and iPads need iOS 17.5 or 16.7.8 or later.

Sources