CVE-2023-40406: Apple macOS

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7, macOS Ventura 13.6, macOS Sonoma 14. An app may be able to read arbitrary files.

Affected products

• Apple macOS: from 12.0.0, before 12.7 (fixed in 12.7); from 13.0, before 13.6 (fixed in 13.6)

Published 2023-09-27. Last modified 2026-06-17.