---
id: CVE-2026-86972
title: A buffer overflow was addressed with improved size validation
summary: >-
  A buffer overflow was addressed with improved size 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 Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2.
  Processing …
severity: none
vendor: Apple
product: iOS and iPadOS
affected:
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27.2
  - macOS < 26.7.2
  - macOS < 27.2
  - tvOS < 27.2
  - visionOS < 27.2
  - watchOS < 27.2
published: '2026-10-26'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:44:31.556Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86972'
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/149524'
  - url: 'https://support.apple.com/en-us/149525'
  - url: 'https://support.apple.com/en-us/149526'
tags:
  - cve.org
epss: 0.00244
epssPercentile: 0.15504
ingestedAt: '2026-10-27T16:11:59.108Z'
---

## Overview

A buffer overflow was addressed with improved size 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 Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. Processing a maliciously crafted audio file may lead to memory corruption.

## Affected

- `ios_and_ipados < 26.7.2`
- `ios_and_ipados < 27.2`
- `macOS < 26.7.2`
- `macOS < 27.2`
- `tvOS < 27.2`
- `visionOS < 27.2`
- `watchOS < 27.2`

## Remediation

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