What is CVE-2024-43106?

CVE-2024-43106 is a high-severity vulnerability in Microsoft Excel, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.

How severe is CVE-2024-43106?

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

Vulnerability in Microsoft Excel

CVE-2024-43106

A library injection vulnerability exists in Microsoft Excel 16.83 for macOS. A specially crafted library can leverage Excel's access privileges, leading to a permission bypass. A malicious application could inject a library and start the program to trigger this vulnerability and then make use of the vulnerable application's permissions.

EPSS: 0.007 (50.8th 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 Excel — versions 16.83, 16.83 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-2024-43106?: CVE-2024-43106 is a high-severity vulnerability in Microsoft Excel, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.1/10. Published 2024-12-18.
How severe is CVE-2024-43106?: High severity. CVSS v3 base score is 7.1 out of 10.