Main Vulnerability Database Vulnerabilities #VU86472

Input validation error in Microsoft products - CVE-2024-21413

Published: February 13, 2024 / Updated: February 7, 2025

Vulnerability identifier: #VU86472

CSH Severity: High

CVSS v4 BT: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:]

CVE-ID: CVE-2024-21413

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of external links in Microsoft Outlook. A remote attacker can trick the victim to click on a specially crafted URL and execute arbitrary code on the target system.

Affected software

Microsoft Office LTSC
Microsoft 365 Apps for Enterprise
Microsoft Office

How to mitigate CVE-2024-21413

Install updates from vendor's website.

External References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413

Related Security Bulletins