CVE-2024-21413

critical

Description

Microsoft Outlook Remote Code Execution Vulnerability

References

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

https://www.bleepingcomputer.com/news/security/cisa-tags-windows-and-cisco-vulnerabilities-as-actively-exploited/

https://latesthackingnews.com/2025/02/11/cisa-warns-of-actively-exploited-vulnerability-in-microsoft-outlook/

https://thehackernews.com/2025/02/xe-hacker-group-exploits-veracore-zero.html

https://www.cisa.gov/news-events/alerts/2025/02/06/cisa-adds-five-known-exploited-vulnerabilities-catalog

https://www.bleepingcomputer.com/news/security/critical-rce-bug-in-microsoft-outlook-now-exploited-in-attacks/

https://securityaffairs.com/173949/hacking/u-s-cisa-adds-microsoft-outlook-sophos-xg-firewall-and-other-flaws-to-its-known-exploited-vulnerabilities-catalog.html

https://www.darkreading.com/application-security/microsoft-ntlm-zero-day-remain-unpatched-april

https://web-assets.esetstatic.com/wls/en/papers/threat-reports/eset-apt-activity-report-q4-2023-q1-2024.pdf

https://securityonline.info/researcher-details-microsoft-outlook-zero-click-vulnerability-cve-2024-38021

https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture/

https://blog.checkpoint.com/research/check-point-research-unveils-critical-monikerlink-vulnerability-in-microsoft-outlook-with-a-9-8-cvss-severity-score/

https://www.tenable.com/blog/microsofts-feb-2024-patch-tuesday-cve-2024-21351-cve-2024-21412

https://github.com/OmarMahmoud1024/tryhackme-monikerlink-writeup

https://github.com/zebbern/pocmap

https://github.com/ushst/exchange-recon

https://github.com/ykrishhh/cve-pocs

https://github.com/v1xpopay/CVE-st

https://github.com/BikDHINDSA/Attacker_Mindset

https://github.com/Dhananjayasj/CVE-2024-21413-Microsoft-Outlook-Remote-Code-Execution-Vulnerability

https://github.com/acseguin21/aitm-research

https://github.com/VikasGothwal/cve-intel-agent

https://github.com/bhatbhupendra/Moniker-Link--CVE-2024-21413-

https://github.com/pedro-lucas-melo/Estudo-de-Caso-CVE-2024-21413

https://github.com/TheMursalin/HTB-Mailing-A-Complete-Walkthrough

https://github.com/Heera-V/CVE2024-21413

https://github.com/E-m-e-k-a/Moniker-Link-Lab-Setup

https://github.com/SallocinAvalcante/lab-SMB-responder-CVE-2024-21413

https://github.com/securenetexpert/CVE-2024-21413-Moniker-Link-Writeup

https://github.com/dionissh/CVE-2024-21413

https://github.com/brkothari/cve-analyzer

https://github.com/hau2212/Moniker-Link-CVE-2024-21413-

https://github.com/PolarisXSec/CVE-2024-21413

https://github.com/PuddinCat/GithubRepoSpider

https://github.com/colinlyons29/redteam-walkthroughs

https://github.com/ArtemCyberLab/Project-NTLM-Hash-Capture-and-Phishing-Email-Exploitation-for-CVE-2024-21413

https://github.com/Cyber-Trambon/CVE-2024-21413-exploit

https://github.com/D1se0/CVE-2024-21413-Vulnerabilidad-Outlook-LAB

https://github.com/Redfox-Secuirty/Unveiling-Moniker-Link-CVE-2024-21413-Navigating-the-Latest-Cybersecurity-Landscape

https://github.com/DerZiad/CVE-2024-21413

https://github.com/klsecservices/CVEs

https://github.com/X-Projetion/CVE-2024-21413-Microsoft-Outlook-RCE-Exploit

https://github.com/DevAkabari/CVE-2024-21413

https://github.com/MSeymenD/CVE-2024-21413

https://github.com/r00tb1t/CVE-2024-21413-POC

https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21413

Details

Source: Mitre, NVD

Published: 2024-02-13

Updated: 2026-08-10

Named Vulnerability: MonikerLinkNamed Vulnerability: Moniker LinkNamed Vulnerability: #MonikerLinkKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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