---
id: CVE-2026-64788
title: The issue was addressed with improved memory handling
summary: >-
  The issue was addressed with improved memory handling. This issue is fixed in
  iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27.
  Processing maliciously crafted web content may lead to memory corruption.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N'
cwe:
  - CWE-119
vendor: apple
product: ipados
affected:
  - ipados < 26.6.1
  - iphone_os < 26.6.1
  - 'macos >= 26.0, < 26.6.2'
patched:
  - ipados 26.6.1
  - iphone_os 26.6.1
  - macos 26.6.2
published: '2026-08-17'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T21:17:16.557'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-64788'
references:
  - url: 'https://support.apple.com/en-us/148281'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/148282'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149037'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149038'
    label: product-security@apple.com
tags:
  - nvd
  - exploit-available
  - cve.org
epss: 0.00253
epssPercentile: 0.15056
exploits:
  github: 2
  githubRepos:
    - 'https://github.com/ByteV0rtex/CVE-2026-64788'
    - 'https://github.com/AmorCool/iOS26.6-CVE-2026-64788'
  checkedAt: '2026-09-26T09:05:55.273Z'
exploitAvailable: true
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-18T13:34:53.000364Z'
ingestedAt: '2026-09-14T21:15:17.504Z'
---

## Overview

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.

## Affected

- `ipados < 26.6.1`
- `iphone_os < 26.6.1`
- `macos >= 26.0, < 26.6.2`

## Remediation

Upgrade past the affected range:

- `ipados 26.6.1`
- `iphone_os 26.6.1`
- `macos 26.6.2`
