CVE-2024-21413
Microsoft Outlook Remote Code Execution Vulnerability
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
Microsoft Outlook Remote Code Execution Vulnerability
| Vendor | microsoft |
| Product | microsoft office 2019 |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Feb 13, 2024 |
| Last Updated | Oct 21, 2025 |
⚠️ Actively Exploited — Act Now
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft Office 2019
19.0.0 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft 365 Apps for Enterprise
16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office LTSC 2021
16.0.1 < https://aka.ms/OfficeSecurityReleases
Microsoft / Microsoft Office 2016
16.0.0 < 16.0.5435.1001
References
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413 cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21413 vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script vicarius.io: https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-detection-script research.checkpoint.com: https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture/