CVE-2026-64720

Analyzed Analyzed - Analysis Complete

Race Condition in iOS Leading to System Termination

Publication date: 2026-07-27

Last updated on: 2026-07-28

Assigner: Apple Inc.

Description

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

CVSS Scores

EPSS Scores

Probability:
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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-2026-64720

EUVD

EUVD-2026-49437

Affected Vendors & Products

Vendor	Product	Version / Range
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	watchos	to 26.6 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-362	The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.

Attack-Flow Graph

Executive Summary

This is a race condition vulnerability where improper state handling could allow an app to cause unexpected system termination. It was fixed in specific versions of Apple's operating systems.

Detection Guidance

This vulnerability is specific to Apple operating systems and is addressed by updating to iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, or watchOS 26.6. Detection involves checking the current version of your Apple devices and ensuring they are updated to the patched versions.

Impact Analysis

An attacker could exploit this to crash your device unexpectedly, leading to data loss or disruption of services if the system fails to recover properly.

Compliance Impact

The provided CVE data does not specify any direct impact on compliance with standards like GDPR or HIPAA. The vulnerability involves a race condition leading to unexpected system termination, which may affect data availability but does not explicitly describe data exposure or privacy violations.

Mitigation Strategies

Update affected Apple devices to iOS 26.6, iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, or watchOS 26.6 or later to address the race condition vulnerability.

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