CVE-2023-42826

Name: CVE-2023-42826
Creator: NVD / NIST
Published: 2024-01-10T22:15:49.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2023-42826 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing a file may lead to arbitrary code execution.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Apple	Macos	< 14.0

References

https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
https://support.apple.com/en-us/HT213940Release Notes, Vendor Advisory
https://support.apple.com/kb/HT213940

Timeline

Published: Jan 10, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-42826?

The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing a file may lead to arbitrary code execution.

How severe is CVE-2023-42826?

CVE-2023-42826 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2023-42826?

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-2023-42826?

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

Scan your code now

Source: NVD / NIST