---
id: CVE-2026-43684
title: A use-after-free issue was addressed with improved memory management
summary: >-
  A use-after-free issue was addressed with improved memory management. This
  issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS
  Sequoia 15.8. An app may be able to cause unexpected system termination or
  corrupt kernel …
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-416
vendor: apple
product: ipados
affected:
  - ipados < 26.7
  - iphone_os < 26.7
  - 'macos >= 15.0, < 15.8'
  - 'macos >= 26.0, < 27.0'
patched:
  - ipados 26.7
  - iphone_os 26.7
  - macos 27.0
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T04:18:22.410'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-43684'
references:
  - url: 'https://support.apple.com/en-us/149035'
    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/149043'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-15T18:20:38.299776Z'
epss: 0.00168
epssPercentile: 0.05332
ingestedAt: '2026-09-14T21:15:17.539Z'
---

## Overview

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 26.7 and iPadOS 26.7, macOS Golden Gate 27, macOS Sequoia 15.8. An app may be able to cause unexpected system termination or corrupt kernel memory.

## Affected

- `ipados < 26.7`
- `iphone_os < 26.7`
- `macos >= 15.0, < 15.8`
- `macos >= 26.0, < 27.0`

## Remediation

Upgrade past the affected range:

- `ipados 26.7`
- `iphone_os 26.7`
- `macos 27.0`