CVE-2026-64724

Analyzed Analyzed - Analysis Complete

Memory Corruption Denial-of-Service in Apple iOS and macOS

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

The issue was addressed with improved memory handling. 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 attacker on the local network may be able to cause a denial-of-service.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-27

Last Modified

2026-07-28

Generated

2026-08-17

AI Q&A

2026-07-28

EPSS Evaluated

2026-08-15

NVD

CVE-2026-64724

EUVD

EUVD-2026-49500

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-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a denial-of-service vulnerability affecting multiple Apple operating systems. An attacker on the same local network could exploit it to cause system crashes or unresponsiveness by triggering memory handling issues.

Detection Guidance

This vulnerability is a denial-of-service issue affecting multiple Apple operating systems. Detection primarily involves checking system versions against the patched releases. Use system update commands like 'softwareupdate --list' on macOS or 'Settings > General > Software Update' on iOS/iPadOS to verify if your system is updated to the fixed versions (iOS 26.6, macOS Sequoia 15.7.8, etc.). Network detection may require monitoring for unusual traffic patterns or crashes on local network devices.

Impact Analysis

If exploited, it could make your device slow, unresponsive, or completely crash. This would disrupt normal use until the device is restarted. Local network access is required for the attack.

Compliance Impact

The vulnerability allows an attacker on the local network to cause a denial-of-service, which could disrupt services handling sensitive data. This may impact compliance with standards like GDPR or HIPAA by compromising availability of systems processing personal or health information.

Mitigation Strategies

Update affected 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.

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