CVE-2025-43526: 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…

PriorityP347critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

0.52%

40.4th percentile

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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
apple	macos	< 26.2	26.2
apple	macos_tahoe	—	—
apple	safari	< 26.2	26.2
apple	safari	—	—

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