Unrated severityNVD Advisory· Published Jul 27, 2026· Updated Jul 28, 2026

CVE-2026-64771

Description

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.

Affected products

Apple Inc./tvOSllm-fuzzy
Range: 26.6
Apple Inc./Ipadosllm-fuzzy
Range: 26.6
Apple Inc./Visionosllm-fuzzy
Range: 26.6
Apple Inc./macOS Sequoiallm-fuzzy
Range: 15.7.8
Apple Inc./macOS Tahoellm-fuzzy
Range: 26.6
Apple Inc./iOSllm-fuzzy
Range: 26.6

Patches

Vulnerability mechanics

References

support.apple.com/en-us/128066mitre
support.apple.com/en-us/128067mitre
support.apple.com/en-us/128069mitre
support.apple.com/en-us/128070mitre
support.apple.com/en-us/128071mitre

News mentions

Apple Patches Everything (July 2026), (Wed, Jul 29th)
SANS Internet Storm Center · Jul 29, 2026

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