What is CVE-2024-42220?

CVE-2024-42220 is a high-severity vulnerability in Microsoft Outlook, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.

How severe is CVE-2024-42220?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Microsoft Outlook

CVE-2024-42220

A library injection vulnerability exists in Microsoft Outlook 16.83.3 for macOS. A specially crafted library can leverage Outlook's access privileges, leading to a permission bypass. A malicious application could inject a library and start…

EPSS: 0.001 (27.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Microsoft Outlook — versions 16.83.3 for macOS

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-1972

Frequently asked questions

What is CVE-2024-42220?: CVE-2024-42220 is a high-severity vulnerability in Microsoft Outlook, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.
How severe is CVE-2024-42220?: High severity. CVSS v3 base score is 7.1 out of 10.