---
id: CVE-2026-64750
title: An out-of-bounds write issue was addressed with improved bounds checking
summary: >-
  An out-of-bounds write issue was addressed with improved bounds checking. This
  issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS
  Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a
  maliciously…
severity: medium
cvss: 5.5
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'
cvssSource: adp
vendor: Apple
product: iOS and iPadOS
affected:
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27
  - macOS < 15.8.2
  - macOS < 26.7.2
  - macOS < 27
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-04T15:18:12.419398Z'
published: '2026-10-26'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T15:19:28.027Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-64750'
references:
  - url: 'https://support.apple.com/en-us/149034'
  - url: 'https://support.apple.com/en-us/149035'
  - url: 'https://support.apple.com/en-us/149227'
  - url: 'https://support.apple.com/en-us/149522'
  - url: 'https://support.apple.com/en-us/149523'
tags:
  - cve.org
epss: 0.00196
epssPercentile: 0.09423
ingestedAt: '2026-10-27T16:11:59.019Z'
---

## Overview

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted image may result in memory corruption.

## Affected

- `ios_and_ipados < 26.7.2`
- `ios_and_ipados < 27`
- `macOS < 15.8.2`
- `macOS < 26.7.2`
- `macOS < 27`

## Remediation

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