---
id: CVE-2026-86969
title: An out-of-bounds write was addressed with improved input validation
summary: >-
  An out-of-bounds write was addressed with improved input validation. This
  issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2,
  macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may
  be able to c…
severity: none
vendor: Apple
product: iOS and iPadOS
affected:
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27.2
  - macOS < 15.8.2
  - macOS < 26.7.2
  - macOS < 27.2
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:42:38.570Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86969'
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/149522'
  - url: 'https://support.apple.com/en-us/149523'
tags:
  - cve.org
epss: 0.00231
epssPercentile: 0.13845
ingestedAt: '2026-10-27T16:11:59.072Z'
---

## Overview

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

## Affected

- `ios_and_ipados < 26.7.2`
- `ios_and_ipados < 27.2`
- `macOS < 15.8.2`
- `macOS < 26.7.2`
- `macOS < 27.2`

## Remediation

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