CVE-2024-21413
critical
Microsoft
⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
94.7%
Exploitation probability in 30 days
Top 0% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: February 13, 2024 (937 days ago)
Last Modified: August 10, 2026
Vendor: Microsoft
Source: NVD
⚠️ CISA Known Exploited Vulnerability
Added to KEV: 2025-02-06
Remediation Due: 2025-02-27 (⚠ 558d overdue)
Vulnerability Report
Generated by CyberWatcher
Description
Microsoft Outlook Remote Code Execution Vulnerability
CWE
CWE-20Affected Products
microsoft 365 appsmicrosoft office 2016microsoft office 2019microsoft office long term servicing channel