CVE-2024-43609

Name: CVE-2024-43609
Creator: NVD / NIST
Published: 2024-10-08T18:15:29.037+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.04%

Last modified Jun 17, 2026

CVE-2024-43609 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Microsoft Office Spoofing Vulnerability. EPSS estimates a 2.04% chance of exploitation in the next 30 days.

Description

Microsoft Office Spoofing Vulnerability

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

2.04%

78.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Microsoft	365 Apps	All versions
Microsoft	Office	2016
Microsoft	Office	2019
Microsoft	Office Long Term Servicing Channel	2021
Microsoft	Office Long Term Servicing Channel	2024

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43609Patch, Vendor Advisory

Timeline

Published: Oct 8, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-43609?

Microsoft Office Spoofing Vulnerability

How severe is CVE-2024-43609?

CVE-2024-43609 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.04% probability of exploitation in the next 30 days.

How do I fix CVE-2024-43609?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-43609?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST