---
id: CVE-2026-84635
title: A logic issue was addressed with improved state management
summary: >-
  A logic issue was addressed with improved state management. This issue is
  fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27,
  visionOS 27, watchOS 27. Processing maliciously crafted web content may lead
  to an unexpec…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-843
  - CWE-664
vendor: apple
product: safari
affected:
  - safari < 27.0
  - ipados < 27.0
  - iphone_os < 27.0
  - macos < 27.0
  - tvos < 27.0
  - visionos < 27.0
  - watchos < 27.0
patched:
  - safari 27.0
  - ipados 27.0
  - iphone_os 27.0
  - macos 27.0
  - tvos 27.0
  - visionos 27.0
  - watchos 27.0
published: '2026-09-14'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T13:06:43.063'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84635'
references:
  - url: 'https://support.apple.com/en-us/149034'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149035'
    label: product-security@apple.com
  - url: 'https://support.apple.com/en-us/149036'
    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
  - url: 'https://support.apple.com/en-us/149039'
    label: product-security@apple.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-84635.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-84635'
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2535531'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-84635'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84635'
  - url: 'https://access.redhat.com/errata/RHSA-2026:69098'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
  - score-dispute
epss: 0.00351
epssPercentile: 0.2869
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T19:33:36.934407Z'
scores:
  nvd: 6.5
  vendor: 8.8
ingestedAt: '2026-09-14T21:15:17.524Z'
---

## Overview

A logic issue was addressed with improved state management. This issue is fixed in Safari 27, iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to an unexpected process termination.

## Affected

- `safari < 27.0`
- `ipados < 27.0`
- `iphone_os < 27.0`
- `macos < 27.0`
- `tvos < 27.0`
- `visionos < 27.0`
- `watchos < 27.0`

## Remediation

Upgrade past the affected range:

- `safari 27.0`
- `ipados 27.0`
- `iphone_os 27.0`
- `macos 27.0`
- `tvos 27.0`
- `visionos 27.0`
- `watchos 27.0`

## Vendor advisories

- **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-2026-84635.json)
- **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)