---
id: CVE-2026-86872
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, visionOS 27, watchOS 27. Processing maliciously crafted
  web content may lead to unexpected behavior.
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L'
cvssSource: adp
vendor: Apple
product: Safari
affected:
  - Safari < 27
  - visionOS < 27
  - watchOS < 27
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-20T15:12:57.460534Z'
published: '2026-10-20'
updated: '2026-10-26'
sourceUpdated: '2026-10-26T20:37:33.025Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-86872'
references:
  - url: 'https://support.apple.com/en-us/149037'
  - url: 'https://support.apple.com/en-us/149038'
  - url: 'https://support.apple.com/en-us/149039'
tags:
  - cve.org
epss: 0.00265
epssPercentile: 0.18326
ingestedAt: '2026-10-20T01:49:42.597Z'
---

## Overview

A logic issue was addressed with improved state management. This issue is fixed in Safari 27, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to unexpected behavior.

## Affected

- `Safari < 27`
- `visionOS < 27`
- `watchOS < 27`

## Remediation

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