CVE-2023-40440

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

This issue was addressed with improved state management of S/MIME encrypted emails. This issue is fixed in macOS Monterey 12.6.8. A S/MIME encrypted email may be inadvertently sent unencrypted.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

No affected versions have been published.

Timeline

Published
Sep 12, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-40440: High severity, CVSS 7.5 | Vulnix