---
id: CVE-2026-43702
title: The issue was addressed with improved memory handling
summary: >-
  The issue was addressed with improved memory handling. This issue is fixed in
  iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS
  Tahoe 26.6, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. Processing a
  maliciously c…
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-119
vendor: apple
product: ipados
affected:
  - ipados < 26.6
  - iphone_os < 26.6
  - 'macos >= 15.0, < 15.8'
  - 'macos >= 26.0, < 26.6'
  - tvos < 26.6
  - watchos < 26.6
patched:
  - ipados 26.6
  - iphone_os 26.6
  - macos 26.6
  - tvos 26.6
  - watchos 26.6
published: '2026-09-14'
updated: '2026-09-17'
sourceUpdated: '2026-09-17T18:43:13.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-43702'
references:
  - url: 'https://support.apple.com/en-us/128066'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/128067'
    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
  - url: 'https://support.apple.com/en-us/149043'
    label: product-security@apple.com
tags:
  - nvd
  - cve.org
epss: 0.00173
epssPercentile: 0.05957
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-16T14:16:32.279990Z'
ingestedAt: '2026-09-14T21:15:17.543Z'
---

## Overview

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.8, macOS Tahoe 26.6, macOS Tahoe 26.7, tvOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination or corrupt process memory.

## Affected

- `ipados < 26.6`
- `iphone_os < 26.6`
- `macos >= 15.0, < 15.8`
- `macos >= 26.0, < 26.6`
- `tvos < 26.6`
- `watchos < 26.6`

## Remediation

Upgrade past the affected range:

- `ipados 26.6`
- `iphone_os 26.6`
- `macos 26.6`
- `tvos 26.6`
- `watchos 26.6`