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iOS 18.3.1 update fixes security flaw used in “extremely sophisticated attack”
Updates may also re-enable Apple Intelligence for those who turned it off.
According to Apple's release notes, these updates patch an actively exploited security flaw in the USB Restricted Mode feature, which requires users to unlock their devices periodically to continue using USB data connections via a device's Lightning or USB-C port. Apple says that the vulnerability, labeled CVE-2025-24200, "may have been exploited in an extremely sophisticated attack against specific targeted individuals." Andrew is a Senior Technology Reporter at Ars Technica, with a focus on consumer tech including computer hardware and in-depth reviews of operating systems like Windows and macOS.
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