CVE-2025-43526

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-601

Affected software

VendorProductVersions
AppleSafari< 26.2
ApplemacOS< 26.2

References

Timeline

Published
Dec 17, 2025
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2025

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CVE-2025-43526: Critical severity, CVSS 9.8 | Vulnix