CVE-2026-64766

An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

• CWE-190

• https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128068Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128069Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
• https://support.apple.com/en-us/128072Release Notes, Vendor Advisory

Published

Jul 27, 2026

Last Modified

Jul 29, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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