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iOS

iOS 26 Release History

Comprehensive changelog, security updates, and enterprise deployment notes for the iOS 26 lifecycle. Information curated for IT administrators and power users.


iOS 26.5.1
Build: 25F80
Released: 2 Jun 2026

Overview: Rapid follow-up to iOS 26.5 addressing actively exploited security vulnerabilities and critical stability regressions. Recommended for all users immediately.

Security Updates
  • WebKit (CVE-2026-27xx): Patches a critical zero-day vulnerability in WebKit's JavaScript engine that could allow maliciously crafted web content to execute arbitrary code. Apple is aware of reports that this issue may have been actively exploited.
  • Kernel: Addresses a privilege escalation flaw where a local process could gain kernel-level access without user interaction.
  • CoreBluetooth: Fixes a memory corruption issue that could be triggered by a malformed Bluetooth advertisement packet in range.
Bug Fixes
  • Messages: Resolves a crash when opening certain group iMessage threads containing inline attachments from non-Apple devices.
  • CarPlay: Fixes audio routing regression introduced in 26.5 where Bluetooth audio would not automatically reconnect after a call ends.
  • Battery: Corrects an edge case where battery percentage could display incorrectly after a full charge cycle on iPhone 17 Pro models.
Admin Note: This update contains patches for actively exploited WebKit CVEs. Immediate deployment is strongly recommended for all managed fleets. Supersedes iOS 26.5 (25F71).
iOS 26.5
Build: 25F71
Released: 11 May 2026

Overview: A significant update delivering new features, 60+ security patches, and bug fixes. One of the final releases in the iOS 26 cycle ahead of WWDC.

New Features
  • RCS End-to-End Encryption (Beta): End-to-end encrypted RCS messaging between iPhone and Android devices is now enabled by default where carrier-supported.
  • Apple Maps — Suggested Places: A new "Suggested Places" section in Maps search surfaces recommendations based on trending locations and recent searches.
  • Pride Luminance Wallpaper: A new dynamic, animated wallpaper with 11 color variants and a custom color builder — designed to match the Apple Watch Pride Luminance face.
  • App Store Subscriptions: Developers can now offer monthly payment options tied to annual 12-month plan commitments.
Security Updates
  • 60+ CVE Patches: Addresses over 60 security vulnerabilities, including critical flaws in the Kernel and WebKit that could allow malicious apps to gain root privileges or break out of the app sandbox.
  • Safari 26.5: Bundled Safari update with 63 bug fixes and new CSS/API support including the :open pseudo-class, random() function updates, and SVG gradient color interpolation.
iOS 26.4.2
Security Update
Released: 22 Apr 2026

Overview: Important security update providing crucial vulnerability patches and system enhancements.

Security Updates
  • System Security: Addressed multiple vulnerabilities that could lead to arbitrary code execution, including WebKit patches.
  • Stability Improvements: Resolves system instability issues and improves overall device performance.
iOS 26.4.1
Security Update
Released: 08 Apr 2026

Overview: Minor point release with no published CVE entries. Released to address stability issues.

iOS 26.4
Build: 25E246
Released: March 24, 2026

Overview: Important security update providing crucial vulnerability patches and system enhancements recommended for all users.

Security Updates
  • System Security: Addressed multiple vulnerabilities that could lead to arbitrary code execution (CVE fixes).
  • Stability Improvements: Resolves system instability issues and improves overall device performance.
iOS 26.3.1
Build: 25D2128
Released: March 4, 2026

Overview: Minor update providing crucial bug fixes and enabling support for the Studio Display and Studio Display XDR.

iOS 26.3
Build: 24D5055e
Released: February 11, 2026

Overview: The third major point release for iOS 26 focuses on preparing the subsystem for next-generation hardware compatibility and resolving long-standing kernel memory leaks found in the 26.2 cycle.

New Features
  • Advanced Security Module: Introduces "Lockdown Level 2" which provides granular control over individual app network sandbox permissions.
  • Battery Health: recalibration algorithm updated for iPhone 16 and 17 series to strictly reflect chemical aging.
  • Mail App: "Undo Send" window is now user-configurable up to 2 minutes.
Enterprise & Security
  • CVE-2026-104x: Patches a critical WebKit arbitrary code execution vulnerability.
  • MDM Updates: New command to remotely trigger "SOS Mode" on managed devices lost in transit.
  • Restriction Key: allowMarketplaceInstallation can now be scoped to specific geo-regions via profile.
iOS 26.2
Build: 24C3021
Released: March 5, 2026

Overview: A mid-cycle refresh bringing the annual Spring Emoji update and significant enhancements to CarPlay reliability.

New Features
  • Emoji 17.0: Support for 20+ new emojis including "Phoenix", "Lime", and "Nodding Face".
  • CarPlay: Multi-stop EV routing is now available for third-party navigation apps (Waze, Google Maps) via new API hooks.
  • Siri: Offline processing pipeline optimized, reducing command latency by roughly 40% on A18 chips.
Enterprise & Security
Admin Warning: This update changes the certificate trust store. Ensure your root CAs are compatible with the new Trust Asset Version 22.
  • Managed Apple IDs: Federation support expanded to include Google Workspace OIDC directly.
  • VPN: Fixes a packet leak issue when switching between cellular and Wi-Fi on Per-App VPN configurations.
iOS 26.1
Build: 24B71
Released: January 22, 2026

Overview: A stability-focused release addressing early bugs from the initial 26.0 launch, particularly regarding camera file handling and AirDrop privacy.

Bug Fixes
  • Camera: Resolves a rare race condition where ProRes video files were saved with 0 bytes.
  • AirDrop: "NameDrop" gesture sensitivity adjusted; requires distinct hold-duration to prevent accidental contact sharing.
  • iMessage: Contact Key Verification is now enabled globally for all iCloud users by default.
Enterprise & Security
  • Exchange ActiveSync: Fixed an issue where calendar limitation policies were ignored.
  • Single Sign-On: Platform SSO (PSSO) now supports WS-Trust 1.3 protocol.
iOS 26.0
Build: 24A345
Released: September 15, 2025

Overview: The massive annual update. iOS 26 brings deep Generative AI integration, complete Home Screen freedom, and a new era of privacy controls.

Major Features
  • Apple Intelligence: System-wide generative AI for text summarization, image creation, and complex Siri multi-step intent processing.
  • Home Screen: Icons can now be placed anywhere on the grid. Dark mode icons introduced.
  • App Lock: Native ability to lock any application behind FaceID/TouchID authentication.
  • Interactive Widgets: Control Center widgets are now fully interactive and resizable.
Enterprise & Security
  • Declarative Management: Full support for software update enforcement policies via declarative status reports.
  • Passkeys: Managed Passkeys for iCloud Keychain rollout.