---
id: "CVE-2026-43743"
kind: "vulnerability"
aliases: ["CVE-2026-43743"]
title: "A race condition was addressed with improved state handling"
severity: "medium"
cvss: 4.7
epss: null
exploited: false
status: "open"
category: "vendor"
products: [{"name": "apple ipados", "fixed": ["26.5.2"], "affected": "< 26.5.2", "ecosystem": "vendor"}, {"name": "apple iphone os", "fixed": ["26.5.2"], "affected": "< 26.5.2", "ecosystem": "vendor"}, {"name": "apple macos", "fixed": ["26.5.2"], "affected": ">= 26.0, < 26.5.2", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["apple", "ios", "ipad", "ipados", "iphone", "vendor", "vendor-advisory"]
not_affected_if: ["already-on-26.7"]
published_at: "2026-06-29T20:17:37+00:00"
first_seen_at: "2026-11-04T00:58:49+00:00"
updated_at: "2026-11-04T01:16:38+00:00"
sources: [{"source": "lab", "url": "https://support.apple.com/en-us/149041", "first_seen_at": "2026-11-04T00:58:49+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43743", "first_seen_at": "2026-11-04T01:16:38+00:00"}]
---

# A race condition was addressed with improved state handling

This is Apple's security notice for iOS 26.7 and iPadOS 26.7, listing many separate flaws across system components. The entries described include out-of-bounds writes, use-after-free and memory corruption that can crash apps or, in some cases, let an app run code or access sensitive data.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:apple ipados affected < 26.5.2 fixed 26.5.2
- vendor:apple iphone os affected < 26.5.2 fixed 26.5.2
- vendor:apple macos affected >= 26.0, < 26.5.2 fixed 26.5.2

## How to check

- Open Settings > General > About on the iPhone or iPad and read the iOS or iPadOS version.
- Compare the installed version with the release named in the Apple advisory (`26.7`).

## Fix

- iOS and iPadOS: `26.7`, per the Apple advisory. Other products: unknown

## Timeline

- 2026-11-04T00:58:49+00:00 lab https://support.apple.com/en-us/149041 — Apple: About the security content of iOS 26.7 and iPadOS 26.7 - Apple Support
- 2026-11-04T01:16:38+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-43743

## Documents

- [advisory] Apple: About the security content of iOS 26.7 and iPadOS 26.7 - Apple Support https://support.apple.com/en-us/149041
- [advisory] Vendor advisory: support.apple.com https://support.apple.com/en-us/127594
- [advisory] Vendor advisory: support.apple.com https://support.apple.com/en-us/127595

## From the sources

About the security content of iOS 26.7 and iPadOS 26.7 - Apple Support

# About the security content of iOS 26.7 and iPadOS 26.7

This document describes the security content of iOS 26.7 and iPadOS 26.7.

## About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security releases page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

## iOS 26.7 and iPadOS 26.7

Released September 14, 2026

### Accelerate Framework

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Processing a maliciously crafted image may lead to unexpected process termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-86882: Peter Malone

### Accessibility

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to access sensitive user data

Description: This issue was addressed with improved data protection.

CVE-2026-43664: Stuart Wallace, Rosyna Keller of Totally Not Malicious Software, Jian Lee (@speedyfriend433), Ilya Andr (andrd3v), Gongyu Ma (@Mezone0), David Strnadel, Daniel Febrero, CJ Vana, Asaf Cohen

### APFS

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to cause unexpected system termination or write kernel memory

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-84523: Cem Onat Karagun, an anonymous researcher

### Apple Neural Engine

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to cause unexpected system termination

Description: An integer overflow was addressed with improved input validation.

CVE-2026-65408: tamdao

### AppleAVD

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to cause unexpected system termination

Description: A use after free issue was addressed with improved memory management.

CVE-2026-65407: Franco Belman at Blackwing Intelligence

### AppleDouble

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: Mounting a disk image with maliciously crafted files may lead to unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-84519: Richard Zana

### AuthKit

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A local app may be able to read a persistent account identifier

Description: A permissions issue was addressed with additional restrictions.

CVE-2026-84583: Zhongcheng Li from IES Red Team

### AVEVideoEncoder

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to cause unexpected system termination

Description: The issue was addressed with improved checks.

CVE-2026-65410: Calif.io in collaboration with Claude and Anthropic Research

### AVEVideoEncoder

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to cause unexpected system termination

Description: A type confusion issue was addressed with improved memory handling.

CVE-2026-84616: Peter Malone

### AVEVideoEncoder

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A sandboxed app may be able to execute arbitrary code with kernel privileges

Description: A race condition was addressed with improved state management.

CVE-2026-84607: Ruslan Dautov

### BackgroundAssets

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An app may be able to access sensitive user data

Description: A logic issue was addressed with improved validation.

CVE-2026-65406: Ye Zhang (@VAR10CK) of Baidu Security

### Baseband

Available for: iPhone 11 and later

Impact: An attacker in a privileged network position may be able to cause a denial-of-service

Description: A denial-of-service issue was addressed with improved input validation.

CVE-2026-86963: Beomseok Oh (@KAIST), Yongdae Kim (@KAIST)

Entry added October 19, 2026

### Bluetooth

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: A remote attacker may be able to cause unexpected app termination or arbitrary code execution

Description: An out-of-bounds write issue was addressed with improved bounds checking.

### Bluetooth

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker in radio range may be able to cause unexpected system termination

Description: An out-of-bounds write issue was addressed with improved bounds checking.

CVE-2026-84613: jioundai

Entry added October 19, 2026

### copyfile

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An archive may be able to bypass Gatekeeper

Description: A file quarantine bypass was addressed with additional checks.

CVE-2026-65399: Rishabh Jain (rjcyber) of cyberplanet, Pasquale Scola, an anonymous researcher

### Core Bluetooth

Available for: iPhone 11 and later, iPad Pro 12.9-inch 3rd generation and later, iPad Pro 11-inch 1st generation and later, iPad Air 3rd generation and later, iPad 8th generation and later, and iPad mini 5th generation and later

Impact: An attacker with a paired Bluetooth device may be able to execute arbitrary code

Description: A stack overflow was addressed with improved input validation.

CVE-2026-86919: Mathis Mansière

Entry added October 19, 2026

### CoreAudio

Available for: iPhone 11 and later, iPad Pro

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_
