iOS 26.4 launched yesterday with new emoji and plenty of new features. Additionally, iOS 26.4 brings over 35 key security fixes for your iPhone per Apple’s detailed release notes.
Apple details extensive security updates now available in iOS 26.4 and more
If new features (and eight brand new emoji) aren’t incentive enough to update your iPhone to iOS 26.4, then security fixes should be.
Like with most software updates, Apple has packed its 26.4 lineup with new fixes for a variety of security issues.
On iPhone alone, Apple has fixed 36 different security vulnerabilities with iOS 26.4. But there are also fixes on other Apple platforms, and even older versions of iOS, macOS, and more.
Here are links to the full security notes for every update:
Apple details every single security update via the release notes linked above.
For deep dives on some of the more notable fixes, be on the lookout for a new Security Bite column coming soon from our own Arin Waichulis.
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