---
id: CVE-2026-43743
title: A race condition was addressed with improved state handling
summary: >-
  A race condition was addressed with improved state handling. This issue is
  fixed in iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe
  26.5.2, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. An app may be able to cause
  unexpe…
severity: medium
cvss: 4.7
cvssVector: 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-362
vendor: apple
product: ipados
affected:
  - ipados < 26.5.2
  - iphone_os < 26.5.2
  - 'macos >= 26.0, < 26.5.2'
patched:
  - ipados 26.5.2
  - iphone_os 26.5.2
  - macos 26.5.2
published: '2026-06-29'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T21:17:09.950'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-43743'
references:
  - url: 'https://support.apple.com/en-us/127594'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/127595'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/128068'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/128069'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149041'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149042'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00106
epssPercentile: 0.01013
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-06-29T21:25:21.240645Z'
ingestedAt: '2026-09-14T21:15:17.542Z'
---

## Overview

A race condition was addressed with improved state handling. This issue is fixed in iOS 26.5.2 and iPadOS 26.5.2, iOS 26.7 and iPadOS 26.7, macOS Tahoe 26.5.2, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. An app may be able to cause unexpected system termination.

## Affected

- `ipados < 26.5.2`
- `iphone_os < 26.5.2`
- `macos >= 26.0, < 26.5.2`

## Remediation

Upgrade past the affected range:

- `ipados 26.5.2`
- `iphone_os 26.5.2`
- `macos 26.5.2`