Apple launches iOS 18.3.1 and other updates to fix an active exploited vulnerability and squish other bugs.iOS 18.3.1 fixes a vulnerability actively exploited on iPhone and iPad.The update addresses the issue of disabling USB Restricted Mode via a physical attack on a locked device.macOS Sequoia 15.3.1, watchOS 11.3.1, and visionOS 2.3.1 updates also released, although specific fixes are not mentioned.