What is CVE-2024-42004?

CVE-2024-42004 is a high-severity vulnerability in Microsoft Teams, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.

How severe is CVE-2024-42004?

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

Vulnerability in Microsoft Teams

CVE-2024-42004

A library injection vulnerability exists in Microsoft Teams (work or school) 24046.2813.2770.1094 for macOS. A specially crafted library can leverage Teams's access privileges, leading to a permission bypass. A malicious application could…

EPSS: 0.008 (52.7th 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 Teams — versions 24046.2813.2770.1094
Microsoft Teams (Work Or School) — versions 24046.2812.2722.8193 for macOS

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

talos-cna@cisco.com (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-42004?: CVE-2024-42004 is a high-severity vulnerability in Microsoft Teams, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.
How severe is CVE-2024-42004?: High severity. CVSS v3 base score is 7.1 out of 10.