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High severity7.5NVD Advisory· Published Sep 12, 2023· Updated Jun 17, 2026

CVE-2023-40440

CVE-2023-40440

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Apple Inc./macOS3 versions
    cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*range: >=12.0.0,<12.6.8
    • (no CPE)range: = 12.6.8
    • (no CPE)range: unspecified

Patches

Vulnerability mechanics

References

2

News mentions

0

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