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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-20643 Detail

Current 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.


View Analysis Description

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://seclists.org/fulldisclosure/2026/Mar/10 CVE
https://support.apple.com/en-us/126604 Apple Inc. Release Notes  Vendor Advisory 
https://support.apple.com/en-us/126792 Apple Inc.
https://support.apple.com/en-us/126793 Apple Inc.
https://support.apple.com/en-us/126794 Apple Inc.
https://support.apple.com/en-us/126799 Apple Inc.
https://support.apple.com/en-us/126800 Apple Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation CISA-ADP  
CWE-346 Origin Validation Error CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-20643
NVD Published Date:
03/17/2026
NVD Last Modified:
06/17/2026
Source:
Apple Inc.