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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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 19 Dec 2025 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 18 Dec 2025 20:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

Thu, 18 Dec 2025 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-601
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Thu, 18 Dec 2025 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Apple
Apple macos
Apple macos Tahoe
Apple safari
Vendors & Products Apple
Apple macos
Apple macos Tahoe
Apple safari

Wed, 17 Dec 2025 21:00:00 +0000

Type Values Removed Values Added
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.
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2025-12-18T19:19:58.753Z

Reserved: 2025-04-16T15:27:21.197Z

Link: CVE-2025-43526

cve-icon Vulnrichment

Updated: 2025-12-18T19:13:19.072Z

cve-icon NVD

Status : Analyzed

Published: 2025-12-17T21:16:11.323

Modified: 2025-12-18T20:36:09.293

Link: CVE-2025-43526

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-18T09:55:47Z

Weaknesses