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Description

This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted.

PUBLISHED Reserved 2025-04-16 | Published 2025-12-17 | Updated 2026-04-02 | Assigner apple

Problem types

On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted

Product status

Any version before 26.2
affected

Any version before 26.2
affected

References

support.apple.com/en-us/125886

support.apple.com/en-us/125892

cve.org (CVE-2025-43526)

nvd.nist.gov (CVE-2025-43526)

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