Vulnerability · NVD

CVE-2025-43526

CVE-2025-43526, critical severity (CVSS 9.8): 1 tracked app concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 9.8
Exploitation: 0.5 %
Tracked apps: 1
Still exposed: 0

Published on 2025-12-17

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.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

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

EPSS 0.53% exploit very unlikely percentile 42.7%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Safari macOS com.apple.Safari

Affected <26.2 Fixed in 26.2 Latest tracked - undetermined

OS versions that fix this CVE

This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.

macOS Fixed in 26.2

Vulnerable CPE configurations (1)

Vendor	Product	Platform	Versions	CPE 2.3 URI
apple	safari All platforms (wildcard)	All platforms (wildcard)	<26.2	cpe:2.3:a:apple:safari::::::::

View on NVD ↗ Advisory · support.apple.com

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