CVE-2023-40450

Name: CVE-2023-40450
Creator: NVD / NIST
Published: 2023-09-27T15:19:16.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2023-40450 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. An app may bypass Gatekeeper checks.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.21%

11.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Apple	Macos	< 14.0

References

http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT213940Vendor Advisory
http://seclists.org/fulldisclosure/2023/Oct/3Mailing List, Third Party Advisory
https://support.apple.com/en-us/HT213940Vendor Advisory
https://support.apple.com/kb/HT213940

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-40450?

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. An app may bypass Gatekeeper checks.

How severe is CVE-2023-40450?

CVE-2023-40450 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-40450?

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-2023-40450?

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

Scan your code now

Source: NVD / NIST