CVE-2026-64692

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Out-of-Bounds Read in Apple iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-29

Assigner: Apple Inc.

Description

An out-of-bounds read was addressed with improved bounds checking. 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. An app may be able to cause a denial-of-service.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-27

Last Modified

2026-07-29

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64692

EUVD

EUVD-2026-49622

Affected Vendors & Products

Vendor	Product	Version / Range
apple	macos	From 14.0 (inc) to 14.8.8 (exc)
apple	macos	From 15.0 (inc) to 15.7.8 (exc)
apple	macos	From 26.0 (inc) to 26.6 (exc)
apple	ipados	to 26.6 (exc)
apple	iphone_os	to 26.6 (exc)
apple	tvos	to 26.6 (exc)
apple	visionos	to 26.6 (exc)
apple	watchos	to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability caused by insufficient bounds checking. It allows an application to read memory outside the intended buffer, potentially leading to a denial-of-service where the system or app crashes.

Detection Guidance

This vulnerability is specific to Apple operating systems and requires checking the installed versions against the patched releases. No direct detection commands are provided in the CVE details. Verify your system versions against iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6.

Impact Analysis

An attacker could exploit this to crash an affected app or device, causing temporary unavailability. Users may experience system instability or forced app closures.

Compliance Impact

The vulnerability is an out-of-bounds read issue that could lead to a denial-of-service. It does not directly impact compliance with GDPR, HIPAA, or similar standards as it does not involve data exposure or unauthorized access. Compliance risks would depend on how the affected systems are used in a specific environment.

Mitigation Strategies

Update affected Apple devices to the latest versions: iOS 26.6, iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, or watchOS 26.6 to address the out-of-bounds read vulnerability.

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