---
id: CVE-2026-86974
title: A type confusion issue was addressed with improved checks
summary: >-
  A type confusion issue was addressed with improved checks. This issue is fixed
  in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS
  Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content
  may …
severity: none
vendor: Apple
product: Safari
affected:
  - Safari < 27.2
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27.2
  - macOS < 27.2
  - visionOS < 27.2
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:40:47.225Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86974'
references:
  - url: 'https://support.apple.com/en-us/149227'
  - url: 'https://support.apple.com/en-us/149230'
  - url: 'https://support.apple.com/en-us/149521'
  - url: 'https://support.apple.com/en-us/149526'
  - url: 'https://support.apple.com/en-us/149527'
tags:
  - cve.org
epss: 0.00191
epssPercentile: 0.08629
ingestedAt: '2026-10-27T16:11:59.000Z'
---

## Overview

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

## Affected

- `Safari < 27.2`
- `ios_and_ipados < 26.7.2`
- `ios_and_ipados < 27.2`
- `macOS < 27.2`
- `visionOS < 27.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.