CVE-2023-40404: Apple macOS

High severity, CVSS 7.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sonoma 14.1. An app may be able to execute arbitrary code with kernel privileges.

Affected products

• Apple macOS: version 14.0 only

Published 2023-10-25. Last modified 2026-06-17.