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CVE-2025-43526

CRITICAL CVSS: 9.8 Published: 2025-12-17 Modified: 2026-06-17

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.

Affected Platforms

Apple SafariApple Macos

Weakness Type

CWE-601

References