Description

A cross-origin issue in the Navigation API was addressed with improved input validation. This issue is fixed in Background Security Improvements for iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, and macOS 26.3.2. Processing maliciously crafted web content may bypass Same Origin Policy.

INFO

Published Date :

2026-03-17T22:29:48.227Z

Last Modified :

2026-03-19T16:18:46.731Z

Source :

apple
AFFECTED PRODUCTS

The following products are affected by CVE-2026-20643 vulnerability.

Vendors Products
Apple
  • Ios
  • Ipados
  • Iphone Os
  • Macos
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-20643.

URL Resource
http://seclists.org/fulldisclosure/2026/Mar/10 cve-icon
https://support.apple.com/en-us/126604 cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact