What’s Vulnerable › Vulnerabilities

CVE-2023-40406

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-27 · updated 2026-06-17

Description

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; from 13.0 before 13.6 — fixed in 12.7, 13.6

How to fix

Upgrade to a fixed version: Apple macOS 12.7, 13.6. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2023/Oct/3
• http://seclists.org/fulldisclosure/2023/Oct/5
• http://seclists.org/fulldisclosure/2023/Oct/6
• https://support.apple.com/en-us/HT213931
• https://support.apple.com/en-us/HT213932
• https://support.apple.com/en-us/HT213940
• http://seclists.org/fulldisclosure/2023/Oct/3
• http://seclists.org/fulldisclosure/2023/Oct/5
• http://seclists.org/fulldisclosure/2023/Oct/6
• https://support.apple.com/en-us/HT213931
• https://support.apple.com/en-us/HT213932
• https://support.apple.com/en-us/HT213940

Get alerted when CVE-2023-40406 or the next vulnerability affects your stack