---
id: CVE-2026-86973
title: An out-of-bounds read was addressed with improved bounds checking
summary: >-
  An out-of-bounds read was addressed with improved bounds checking. 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. Processing maliciously crafted web content may
  lead to…
severity: none
vendor: Apple
product: Safari
affected:
  - Safari < 27.2
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27.2
  - macOS < 27.2
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:41:47.396Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86973'
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/149527'
tags:
  - cve.org
epss: 0.00191
epssPercentile: 0.08631
ingestedAt: '2026-10-27T16:11:59.036Z'
---

## Overview

An out-of-bounds read was addressed with improved bounds checking. 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. Processing maliciously crafted web content may lead to an unexpected process crash.

## Affected

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

## Remediation

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