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.
Published 2023-09-12 00:15:09
Updated 2024-01-30 21:15:09
Source Apple Inc.
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2023-40440

0.09%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-40440

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.9
3.6
NIST

References for CVE-2023-40440

Products affected by CVE-2023-40440

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