What’s Vulnerable › Vulnerabilities

CVE-2024-40803

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-29 · updated 2026-06-17
• Weakness: CWE-843

Description

A type confusion issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8. An attacker may be able to cause unexpected app termination.

Affected products

• Apple macOS: before 12.7.6; from 13.0 before 13.6.8; from 14.0 before 14.6 — fixed in 12.7.6, 13.6.8, 14.6

How to fix

Upgrade to a fixed version: Apple macOS 12.7.6, 13.6.8, 14.6. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/120910
• https://support.apple.com/en-us/120911
• https://support.apple.com/en-us/120912
• http://seclists.org/fulldisclosure/2024/Jul/18
• http://seclists.org/fulldisclosure/2024/Jul/19
• http://seclists.org/fulldisclosure/2024/Jul/20
• https://support.apple.com/en-us/HT214118
• https://support.apple.com/en-us/HT214119
• https://support.apple.com/en-us/HT214120
• https://support.apple.com/kb/HT214118
• https://support.apple.com/kb/HT214119
• https://support.apple.com/kb/HT214120

Get alerted when CVE-2024-40803 or the next vulnerability affects your stack