CVE-2023-40440

Summary

CVE-2023-40440 is a vulnerability affecting macOS Monterey that impacts the handling of S/MIME encrypted emails. This issue resulted in encrypted emails being sent unencrypted due to insufficient state management. The vulnerability has been resolved in macOS Monterey 12.6.8 with improved email encryption handling to mitigate this risk. Users are advised to update their systems as soon as possible to protect against potential data leakage.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.