Released

iOS 27.2.1

iOS 27.2.1 is a small fix-up release with no new features. Apple describes it only as bug fixes and security updates, and its security notes list nine fixes. Everyone on iOS 27.2 should install it.

StatusReleasedNov 9, 2026
Build24B156 (24B91034 on iPhone Duo)
Changes3
Works on: iPhone 11 and later

Release timeline

  1. ReleaseBuild 24B156; 24B91034 for iPhone Duo

    Bug fixes and security updates only.

What's new, feature by feature

Security
Security fixesAvailable

Patches nine security issues in parts of iOS including AirPlay, Bluetooth, Messages, App Intents and the brotli compression library.

Why it matters: Protects everyone on iOS 27 against newly found flaws; Apple's notes don't mention any being actively exploited.

First in: Release

Security
Messages and pairing hardeningAvailable

The fixes cover group chats in Messages, Bluetooth pairing, limits on AirPlay pairing codes and apps reaching sensitive data (reported summary of Apple's notes).

Why it matters: Closes gaps that someone nearby or a rogue app could have tried to use.

First in: Release

System
Bug fixesAvailable

General bug fixes; Apple does not list them individually.

Why it matters: Improves reliability for all iOS 27 users.

First in: Release

Security

9 CVE entries across AirPlay, App Intents, Bluetooth, brotli, CoreUtils, Messages and rapportd; no active exploitation noted. https://support.apple.com/en-us/149715

← iOS 27.2iOS 27.3 →All iOS versions
Sources