Apple OS Buffer Overflow (iOS 26.6/macOS 15.7.8) fixed
CVE-2026-64771 Published on July 27, 2026

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6. A remote attacker may be able to cause unexpected application termination or heap corruption.

NVD

Products Associated with CVE-2026-64771

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Apple iOS

Apple iPadOS

Apple macOS

Apple tvOS

Apple visionOS

Apple Ios And Ipados

Affected Versions

Apple iOS and iPadOS:

Before 26.6 is affected.

Apple macOS:

Before 15.7.8 is affected.
Before 26.6 is affected.

Apple tvOS:

Before 26.6 is affected.

Apple visionOS:

Before 26.6 is affected.