CVE-2025-43276

Name: CVE-2025-43276
Creator: NVD / NIST
Published: 2025-07-30T00:15:38.563+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.34%

Last modified Jun 17, 2026

CVE-2025-43276 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. A logic error was addressed with improved error handling. This issue is fixed in macOS Sequoia 15.6. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

A logic error was addressed with improved error handling. This issue is fixed in macOS Sequoia 15.6. iCloud Private Relay may not activate when more than one user is logged in at the same time.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.34%

25.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-367

Affected Software

Vendor	Product	Versions
Apple	Macos	< 15.6

References

https://support.apple.com/en-us/124149Release Notes, Vendor Advisory
http://seclists.org/fulldisclosure/2025/Jul/32

Timeline

Published: Jul 30, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-43276?

A logic error was addressed with improved error handling. This issue is fixed in macOS Sequoia 15.6. iCloud Private Relay may not activate when more than one user is logged in at the same time.

How severe is CVE-2025-43276?

CVE-2025-43276 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.

How do I fix CVE-2025-43276?

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-2025-43276?

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

Scan your code now

Source: NVD / NIST