CVE-2025-43331

Name: CVE-2025-43331
Creator: NVD / NIST
Published: 2025-09-15T23:15:35.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4/10EPSS 0.18%

Last modified Jun 17, 2026

CVE-2025-43331 is a medium-severity vulnerability rated 4/10 on the CVSS scale. A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. EPSS estimates a 0.18% chance of exploitation in the next 30 days.

Description

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

Metrics

CVSS 3.1

4/10

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

EPSS Probability

0.18%

7.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Apple	Macos	< 26.0

References

https://support.apple.com/en-us/125110Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/53

Timeline

Published: Sep 15, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-43331?

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in macOS Tahoe 26. An app may be able to access protected user data.

How severe is CVE-2025-43331?

CVE-2025-43331 has a CVSS score of 4/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43331?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-43331?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST