macOS

Overview: First major feature update for macOS 27 Golden Gate. Delivers the initial public rollout of Apple Intelligence writing tools and photo cleanup, seamless iPhone Mirroring two-way drag-and-drop file transfers, native audio recording and live transcription in Notes, WindowServer tiling stabilization, and cumulative Darwin kernel security fixes.

• Apple Intelligence Writing Tools: System-wide proofreading, rewriting, and summarization integrated across Mail, Notes, Pages, and third-party applications.
• Photos Clean Up: Generative machine-learning tool to eliminate distracting objects or backgrounds in photos with a single click.
• iPhone Mirroring Drag & Drop: Full two-way file, photo, and document transfers directly between macOS and mirrored iPhones without interrupting work.
• Notes Audio Transcription: Live voice recording with real-time text transcription and automated generative summary creation.

• WindowServer & Display Tiling: Stabilizes multi-monitor snap layouts and persistent workspace restoration when waking from sleep.
• Security & Kernel: Patches Darwin kernel bounds vulnerabilities and hardens WebKit isolated processes against memory corruption.

• Full Installer Package: InstallAssistant.pkg (14.3 GB)
• Apple Silicon Universal Restore Image: UniversalMac_27.1_26B83_Restore.ipsw (14.9 GB)
• Checksum Verification:
  $ pkgutil --check-signature InstallAssistant.pkg
  $ shasum -a 256 UniversalMac_27.1_26B83_Restore.ipsw

Overview: First official maintenance update for macOS 27 Golden Gate. Delivers critical bug fixes, system stability enhancements, WindowServer display management refinements, Declarative Device Management (DDM) software update reliability, and Apple Silicon memory management optimizations.

• WindowServer & Multi-Display Tiling: Fixes an issue where window arrangements and tile snaps could unexpectedly reset when waking from sleep with multiple external 4K or 6K displays.
• Declarative Software Update Enforcement: Enhances DDM daemon synchronization reliability when scheduling enterprise automated updates via Jamf Pro, Kandji, or Microsoft Intune.
• Metal 3 & Apple Silicon Graphics: Stabilizes graphics memory caching and prevents transient frame drops under intensive GPU workloads.
• System Security & Hardening: Incorporates cumulative Darwin kernel and sandbox permission fixes.

• Full Installer Package: InstallAssistant.pkg (14.2 GB)
• Apple Silicon Universal Restore Image: UniversalMac_27.0.1_26A5434_Restore.ipsw (14.8 GB)
• Checksum Verification:
  $ pkgutil --check-signature InstallAssistant.pkg
  $ shasum -a 256 UniversalMac_27.0.1_26A5434_Restore.ipsw

Overview: Official public release of macOS 27 Golden Gate. Delivers next-generation system intelligence architecture, unified window tiling management, enhanced Declarative Device Management (DDM) software update controls, Safari 27 with Highlights and Distraction Control, and kernel-level memory safety protections on Apple Silicon.

• Apple Intelligence Architecture: Deeply integrated on-device models with Private Cloud Compute support for enterprise-managed data flows and contextual system assistance.
• Window Server Refinements & Window Tiling: Native keyboard-driven and snap-to-edge window arrangement with multi-display persistence.
• Declarative Device Management (DDM): Autonomous software update enforcements, background state subscriptions, and managed FileVault escrow recovery.
• Passkeys & Cryptographic Attestation: Device identity attestation through Apple Silicon Secure Enclave for enterprise Zero Trust authentication.
• Safari 27: Machine learning powered web page Highlights, Distraction Control, and isolated profile containers.

• Kernel Hardening: Incorporates all cumulative security patches from the 26.6.2 lifecycle with strengthened bounds verification.
• Graphics & WindowServer: Resolves memory leaks under multi-monitor high-refresh setups and stabilizes Metal 3 pipeline compilation.

Overview: Critical security update for macOS Tahoe fleets. Resolves memory corruption vulnerabilities in the Darwin kernel and WebKit engine, alongside configuration profile escrow fixes.

• Kernel Mitigations: Patches memory bounds check issues preventing unauthorized escalation.
• Enterprise Fleet Stability: Resolves MDM profile sync stalls and security token verification.

Overview: Critical security update for macOS Tahoe. Fixes vulnerabilities in the Darwin kernel, system daemons, and WebKit components for enterprise devices on the macOS 26 release track.

• Kernel Mitigations: Patches memory isolation issues preventing local privilege escalation.
• Enterprise Fleet Stability: Resolves background update client stalls and MDM check-in stability.

Overview: Major maintenance and security update for macOS Tahoe deployed alongside macOS 27 Golden Gate. Delivers critical kernel security hardening, WebKit vulnerability mitigations, and Screen Sharing connection stability for devices remaining on the macOS 26 track.

• Kernel Mitigations: Patches memory isolation vulnerabilities preventing local privilege escalation.
• WebKit Engine: Hardens web content rendering against cross-site scripting and memory bounds issues.
• Enterprise Fleet Stability: Resolves MDM check-in stalls and configuration profile enforcement timeouts.

Overview: Major security patch release for macOS Tahoe resolving nearly 30 security vulnerabilities across system components including Kernel, WebKit, Audio, ImageIO, and IOGPUFamily. Recommended for immediate installation by all users and Mac admins.

• Kernel & System Vulnerabilities: Improved input sanitization and bounds checking to prevent arbitrary code execution with kernel privileges.
• Graphics & Media (IOGPUFamily & ImageIO): Addressed race conditions and memory corruption vulnerabilities when processing malicious media content.
• WebKit Engine: Patched zero-day memory handling flaws aligned with iOS 26.6.1 fixes.

Overview: Emergency security release for macOS Tahoe addressing a zero-day vulnerability in Screen Sharing (CVE-2026-65400). Available via Software Update, standalone InstallAssistant.pkg, and IPSW restore image for Apple Silicon.

• Screen Sharing (CVE-2026-65400): Addressed with improved state management to prevent an unauthenticated attacker on the same network from gaining access to Screen Sharing.
• System Security & Stability: Supplemental fixes focused on critical remote authentication security.

Overview: Official stable release of macOS Tahoe 26.6 containing cumulative security patches, Safari 26.6 enhancements, stability fixes, and enterprise management improvements. Available via Software Update, full InstallAssistant.pkg, and IPSW restore image for Apple Silicon.

• Safari 26.6: Performance optimizations, WebKit security improvements, and enhanced tab management.
• Security & Stability: Critical patches across system kernel, graphics drivers, and system services.
• Enterprise Administration: MDM profile enhancements and seamless software deployment updates.

Overview: A security-focused update addressing approximately 29 vulnerabilities across the Kernel, WebKit, IOGPUFamily, and libxslt. Fixes were backported from the ongoing macOS 26.6 beta cycle. Recommended for all users immediately.

• IOGPUFamily (CVE-2026-43743): A race condition was addressed with improved state handling, preventing an app from causing unexpected system termination.
• Kernel (CVE-2026-43724): Addressed with improved input sanitization; an app could previously cause unexpected system termination or write to kernel memory.
• Kernel (CVE-2026-43722): Addressed with improved input sanitization, preventing an app from leaking sensitive kernel state.
• Kernel (CVE-2026-39868): Addressed with improved input validation, preventing an app from causing unexpected system termination or corrupting kernel memory.
• libxslt (CVE-2026-43706): A double-free issue was fixed with improved memory management, preventing malicious web content from causing an unexpected process crash.
• WebKit: 19 WebKit vulnerability fixes addressing issues including arbitrary code execution, CSP bypass, and use-after-free crashes.

Overview: A major update delivering security patches, a significant Safari update (security content published May 13), and stability improvements. Superseded by macOS 26.5.2.

• 14 WebKit CVEs: All security patches in this Safari update target WebKit (and one WebRTC). Impacts include: CSP enforcement bypass, sensitive user data disclosure, process crashes via use-after-free, and malicious iframe download-settings abuse. (CVE-2026-43660, 28907, 28962, 43658, 28905, 28847, 28904, 28955, 28903, 28953, 28902, 28901, 28913, 28883, 28958, 28917, 28947, 28946, 28942, 28971)
• Available for: macOS Sonoma and macOS Sequoia (standalone Safari update for older macOS). Safari on iOS 26.5, iPadOS 26.5, and visionOS 26.5 is included with those OS updates.
• 63 Bug Fixes: Improvements to Scroll-driven animations, Anchor Positioning, WebRTC, networking, and rendering at different zoom levels.
• CSS :open Pseudo-class: Consistent styling for the open state of <details>, <dialog>, <select>, and <input> elements.
• CSS random() Updates: element-scoped keyword for per-element randomness; caching updated to global-by-default per spec.
• SVG & Web APIs: color-interpolation for SVG gradients, ToggleEvent.source for popovers, and the Origin API.

• System Security: Addressed multiple vulnerabilities that could lead to arbitrary code execution, including WebKit and Kernel patches.
• Stability Improvements: Resolves system instability issues and improves overall device performance.

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

• 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.

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

Overview: The third major point release for macOS Tahoe focuses on window management and Safari enhancements.

• Window Management: Fixes sticky edge behavior in Stage Manager.
• Safari: Web profiles can now have distinct dock icons.
• Enterprise Config: Updates to MDM protocol for declarative device management.

Overview: Stability and performance focus for the winter cycle.

• Gaming Mode: Enhanced performance priority for game porting toolkit compatibility.
• Finder: "Smart Folders" now support regex-based filtering.
• Freeform: Infinite canvas performance improvements for large boards.

Overview: A stability-focused release addressing early bugs from the initial 26.0 launch.

Overview: The massive annual update bringing major new features and ecosystem enhancements.