CVE-2026-64771

State: Published
Severity: 9.8 Critical
Published: Jul 27, 2026
Updated: Aug 17, 2026
Reserved: Jul 20, 2026

Description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, 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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
iOS and iPadOSApple	before 18.7.10Affected before 26.6Affected
macOSApple	before 15.7.8Affected before 26.6Affected
tvOSApple	before 26.6Affected
visionOSApple	before 26.6Affected

References

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