Apple has released software updates for iOS, iPadOS, macOS, watchOS, tvOS, and visionOS, implementing a massive number of security fixes using AI technologies such as Anthropic, OpenAI, Z.ai, and NVIDIA.

On July 27, 2026, local time, Apple released software updates for iOS, iPadOS, macOS, watchOS, tvOS, and visionOS. These updates include a massive number of security fixes, demonstrating the advancements in AI-driven vulnerability detection.

About the security content of iOS 26.6 and iPadOS 26.6 - Apple Support
https://support.apple.com/en-us/128066

Apple fixes over 75 security issues with your iPhone and 150+ for Mac, update now - 9to5Mac
https://9to5mac.com/2026/07/27/ios-26-6-fixes-over-75-security-issues-with-your-iphone-update-now/

iOS 26.6 is out now, and it's quietly preparing your iPhone for the future | Macworld
https://www.macworld.com/article/3200156/ios-26-6-is-out-now-and-its-quietly-preparing-your-iphone-for-the-future.html

iOS 26.6 and iPad 26.6 include 78 security fixes, but also optimizations to the indexing of Spotlight , the OS's search function.

iOS 26.6 and iPad 26.6 fix a total of 87 vulnerabilities, including the WebKit memory vulnerability ' CVE-2026-64757 ,' which was discovered by Milad Nasr and Nicholas Carlini in collaboration with Anthropic using Claude.

Another memory-related vulnerability in WebKit, ' CVE-2026-64783 ,' was discovered by Sota Sugiyama and others using Z.ai's GLM.

macOS Tahoe 26.6 includes over 140 security fixes.

About the security content of macOS Tahoe 26.6 - Apple Support
https://support.apple.com/en-us/128067

macOS Tahoe 26.6 includes 155 vulnerabilities that were fixed. For example, the privileges vulnerability ' CVE-2026-39875 ' was reported by Aaron Grattafiori and others from the NVIDIA AI Red Team , a specialized security team that uses simulated attacks to identify vulnerabilities in machine learning systems and AI models developed and operated by NVIDIA, and then implements countermeasures.

watchOS 26.6 includes 84 security fixes.

About the security content of watchOS 26.6 - Apple Support
https://support.apple.com/en-us/128068

watchOS fixed 100 vulnerabilities, including the WebKit memory management vulnerability ' CVE-2026-43707 ' and the out-of-bounds write vulnerability ' CVE-2026-43745 ,' which were discovered using OpenAI's Codex Security . The vulnerability ' CVE-2026-43701 ,' which could allow a malicious website to process restricted web content outside of the sandbox, was discovered by the NVIDIA AI Red Team.

tvOS 26.6 includes 84 security fixes, addressing a total of 100 vulnerabilities.

About the security content of tvOS 26.6 - Apple Support
https://support.apple.com/en-us/128069

visionOS 26.6 includes 84 security fixes and addresses a total of 99 vulnerabilities.

About the security content of visionOS 26.6 - Apple Support
https://support.apple.com/en-us/128070