---
id: CVE-2026-64780
title: The issue was addressed with improved checks
summary: >-
  The issue was addressed with improved checks. This issue is fixed in Safari
  26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS
  Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead
  to an …
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L'
cwe:
  - CWE-119
  - CWE-20
vendor: apple
product: ipados
affected:
  - ipados < 18.7.10
  - 'ipados >= 26.0, < 26.6.1'
  - iphone_os < 18.7.10
  - 'iphone_os >= 26.0, < 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: '2026-09-14T21:17:15.707'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-64780'
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/148286'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/148287'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149038'
    label: product-security@apple.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64780.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-64780'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2524571'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-64780'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-64780'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69098'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00552
epssPercentile: 0.45026
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-08-18T13:17:53.195718Z'
ingestedAt: '2026-09-14T21:15:17.554Z'
scores:
  nvd: 4.3
  vendor: 8.8
---

## Overview

The issue was addressed with improved checks. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. Processing maliciously crafted web content may lead to an unexpected Safari crash.

## Affected

- `ipados < 18.7.10`
- `ipados >= 26.0, < 26.6.1`
- `iphone_os < 18.7.10`
- `iphone_os >= 26.0, < 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`

## Vendor advisories

- **RHSA-2026:69098** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9) · released 2026-09-21 · [advisory](https://access.redhat.com/errata/RHSA-2026:69098)
- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-09-21 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-64780.json)