CVE-2026-43743

Analyzed Analyzed - Analysis Complete

Race Condition in iOS, iPadOS, and macOS Tahoe

Publication date: 2026-06-29

Last updated on: 2026-06-30

Assigner: Apple Inc.

Description

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. An app may be able to cause unexpected system termination.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-06-29

Last Modified

2026-06-30

Generated

2026-07-20

AI Q&A

2026-06-29

EPSS Evaluated

2026-07-18

NVD

CVE-2026-43743

Affected Vendors & Products

Vendor	Product	Version / Range
apple	ipados	to 26.5.2 (exc)
apple	iphone_os	to 26.5.2 (exc)
apple	macos	From 26.0 (inc) to 26.5.2 (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 vulnerability is a race condition issue that was addressed by improving state handling in the affected operating systems.

A race condition occurs when the behavior of software depends on the sequence or timing of uncontrollable events, which can lead to unexpected results.

In this case, the race condition could allow an app to cause unexpected system termination.

Impact Analysis

This vulnerability can impact you by allowing an app to cause unexpected termination of your system.

Unexpected system termination can lead to loss of unsaved data, disruption of services, and potential instability of the device.

Mitigation Strategies

To mitigate this vulnerability, update your devices to the fixed versions: iOS 26.5.2, iPadOS 26.5.2, or macOS Tahoe 26.5.2 as applicable.

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