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, iPadOS, and macOS, Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. Processing maliciously crafted web content may bypass Same Origin Policy.

INFO

Published Date :

2026-03-17T22:29:48.227Z

Last Modified :

2026-04-02T18:19:47.831Z

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://nvd.nist.gov/vuln/detail/CVE-2026-20643 cve-icon
https://support.apple.com/en-us/126604 cve-icon cve-icon
https://support.apple.com/en-us/126792 cve-icon cve-icon
https://support.apple.com/en-us/126793 cve-icon cve-icon
https://support.apple.com/en-us/126794 cve-icon cve-icon
https://support.apple.com/en-us/126799 cve-icon cve-icon
https://support.apple.com/en-us/126800 cve-icon cve-icon
https://webkitgtk.org/security/WSA-2026-0002.html cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-20643 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