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CVE-2024-21413

CRITICALCISA KEV

9.8

Description

Microsoft Outlook Remote Code Execution Vulnerability

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/13/2024

Last Modified10/28/2025

Sourcekev

Honeypot Sightings0

CISA KEV

VendorMicrosoft

ProductOffice Outlook

Vulnerability NameMicrosoft Outlook Improper Input Validation Vulnerability

KEV Date Added2025-02-06

Remediation Due Date2025-02-27

Ransomware UseUnknown

Affected Products

microsoft:365_appsmicrosoft:office_2016microsoft:office_2019microsoft:office_long_term_servicing_channel

Weaknesses (CWE)

CWE-20

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413(secure@microsoft.com)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413(af854a3a-2127-422b-91ae-364da2661108)

https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture/(af854a3a-2127-422b-91ae-364da2661108)

https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-detection-script(af854a3a-2127-422b-91ae-364da2661108)

https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script(af854a3a-2127-422b-91ae-364da2661108)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21413(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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