iOS 17.6 Features: Everything New in iOS 17.6
Apple released iOS 17.6 on Monday, July 29, marking the sixth update to the iOS 17 operating system that came out last September. iOS 17.6 does not include outward-facing features and mainly focuses on security improvements.

According to Apple's security support document, iOS 17.6 addresses a long list of exploits and vulnerabilities, so it's a good idea to install the new software right away.
There were issues with Family Sharing, images, the Phone app, Photos storage, Shortcuts, Siri, VoiceOver, and WebKit, and Apple's fixes are detailed on its website. A bug with Family Sharing, for example, could leak sensitive location information to apps, while an image bug could allow a maliciously crafted file to terminate an app and a kernel bug could allow a local attacker to cause an unexpected system shutdown.
None of these issues were known to be actively exploited in the wild, but it is still important to keep your devices up to date. There are iOS 15.8.3 and iOS 16.7.9 security updates for devices that are not able to be updated to iOS 17.
Some of these same security fixes were implemented across Apple's other platforms, with Apple also releasing iPadOS 17.6, tvOS 17.6, watchOS 10.6, and macOS Sonoma 14.6.
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