Apple OS Sandbox Escape via Path Validation (iOS 26.6, macOS Sequoia 15.7.8)
CVE-2026-64740 Published on July 27, 2026

A parsing issue in the handling of directory paths was addressed with improved path 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. A malicious app may be able to break out of its sandbox.

NVD

Products Associated with CVE-2026-64740

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Apple iOS

Apple iPadOS

Apple macOS

Apple Macos Sonoma

Apple tvOS

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 26.6 is affected.

Apple macOS:

Before 14.8.8 is affected.
Before 15.7.8 is affected.
Before 26.6 is affected.

Apple tvOS:

Before 26.6 is affected.