CVE-2025-43521

MEDIUM EPSS 2.6%

Published Dec 12, 20256mo ago · Modified Jun 17, 20261w ago

5.5 CVSS 3.1

Medium

Published Dec 12, 2025 6mo ago

Last Modified Jun 17, 2026 1w ago

Description

A downgrade issue affecting Intel-based Mac computers was addressed with additional code-signing restrictions. This issue is fixed in macOS Sequoia 15.7.3, macOS Tahoe 26.2. An app may be able to access sensitive user data.

CVSS Details

Base Score

5.5

Exploitability

1.8

Impact

3.6

Vector string

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

Attack Vector Local

Attack Complexity Low

Privileges Required None

User Interaction Required

Scope Unchanged

Confidentiality High

Integrity None

Availability None

Threat Intelligence

EPSS Exploit Probability

2.6% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-347

Affected Products 1

Vendor	Product	Version	Range
apple	macos	*	<15.7.3

References 2

support.apple.com https://support.apple.com/en-us/125886
support.apple.com https://support.apple.com/en-us/125887

Release NotesVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.