---
id: CVE-2025-43533
title: The issue was addressed with improved bounds checks
summary: >-
  The issue was addressed with improved bounds checks. This issue is fixed in
  iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4,
  macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2.
  A ma…
severity: medium
cvss: 5.7
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cwe:
  - CWE-20
vendor: apple
product: ipados
affected:
  - ipados < 26.2
  - iphone_os < 26.2
  - macos < 26.2
  - tvos < 26.2
  - visionos < 26.2
  - watchos < 26.2
patched:
  - ipados 26.2
  - iphone_os 26.2
  - macos 26.2
  - tvos 26.2
  - visionos 26.2
  - watchos 26.2
published: '2025-12-17'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T20:10:00.247'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-43533'
references:
  - url: 'https://support.apple.com/en-us/125884'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125886'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125889'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125890'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/125891'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126347'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126349'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/126350'
    label: product-security@apple.com
tags:
  - nvd
epss: 0.00303
epssPercentile: 0.20782
ingestedAt: '2026-09-30T20:23:19.457Z'
---

## Overview

The issue was addressed with improved bounds checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. A malicious HID device may cause an unexpected process crash.

## Affected

- `ipados < 26.2`
- `iphone_os < 26.2`
- `macos < 26.2`
- `tvos < 26.2`
- `visionos < 26.2`
- `watchos < 26.2`

## Remediation

Upgrade past the affected range:

- `ipados 26.2`
- `iphone_os 26.2`
- `macos 26.2`
- `tvos 26.2`
- `visionos 26.2`
- `watchos 26.2`