---
id: CVE-2026-64759
title: An integer overflow was addressed with improved input validation
summary: >-
  An integer overflow was addressed with improved input validation. 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, macOS Tahoe 26.7. Processing a maliciously
  crafted ima…
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cvssSource: adp
vendor: Apple
product: iOS and iPadOS
affected:
  - ios_and_ipados < 26.7.2
  - ios_and_ipados < 27
  - macOS < 15.8
  - macOS < 26.7
  - macOS < 27
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-26T00:00:00+00:00'
published: '2026-10-26'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T03:56:14.960Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-64759'
references:
  - url: 'https://support.apple.com/en-us/149034'
  - url: 'https://support.apple.com/en-us/149035'
  - url: 'https://support.apple.com/en-us/149042'
  - url: 'https://support.apple.com/en-us/149043'
  - url: 'https://support.apple.com/en-us/149227'
tags:
  - cve.org
epss: 0.00451
epssPercentile: 0.38974
ingestedAt: '2026-10-26T20:39:42.566Z'
---

## Overview

An integer overflow was addressed with improved input validation. 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, macOS Tahoe 26.7. Processing a maliciously crafted image may lead to arbitrary code execution.

## Affected

- `ios_and_ipados < 26.7.2`
- `ios_and_ipados < 27`
- `macOS < 15.8`
- `macOS < 26.7`
- `macOS < 27`

## Remediation

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