CVE-2025-43526

9.8 CRITICAL
Published: December 17, 2025 Modified: December 18, 2025

Description

This issue was addressed with improved URL validation. This issue is fixed in macOS Tahoe 26.2, Safari 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://support.apple.com/en-us/125886
Source: product-security@apple.com
Release Notes Vendor Advisory
https://support.apple.com/en-us/125892
Source: product-security@apple.com
Release Notes Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.1%
16th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

apple