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CVE-2024-21413

CRITICAL
Published 2024-02-13T18:02:24.799Z
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Expert Analysis

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CVSS Score

V3.1
9.8
/10
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
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.937
probability
of exploitation in the wild

There is a 93.7% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.998
Higher than 99.8% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

No description available

Available Exploits

No exploits available for this CVE.

Related News

CVE-2024-21413 (CVSS 9.8): Critical Outlook Flaw Under Active Attack, PoC Available

A critical vulnerability in Microsoft Outlook, tracked as CVE-2024-21413, is being actively exploited in the wild, posing a The post CVE-2024-21413 (CVSS 9.8): Critical Outlook Flaw Under Active Attack, PoC Available appeared first on Cybersecurity News.

SecurityOnline.info 2025-02-07 07:42
Read More

Affected Products

Microsoft

Microsoft Office 2019

Affected Versions:

19.0.0
Microsoft

Microsoft 365 Apps for Enterprise

Affected Versions:

16.0.1
Microsoft

Microsoft Office LTSC 2021

Affected Versions:

16.0.1
Microsoft

Microsoft Office 2016

Affected Versions:

16.0.0

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

February 27, 2025

Added to KEV

February 6, 2025

Required Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Affected Product

Vendor/Project: Microsoft
Product: Office Outlook

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.02.06 Released: February 6, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-9mp4-h7q5-2rgq

Advisory Details

Microsoft Outlook Remote Code Execution Vulnerability

CVSS Scoring

CVSS Score

9.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-21413
WEB https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413
WEB https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture
WEB https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-detection-script
WEB https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script

Advisory provided by GitHub Security Advisory Database. Published: February 13, 2024, Modified: May 29, 2025

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

1 post
Reddit • 1 month, 2 weeks ago
Fabulous_Cow_4714

How to apply Office 2016 updates? If you have some systems that cannot yet be upgraded to Office LTSC or Office 365 that need to patched, what’s the best way to get them up to date with Office 2016 updates? I know they need to get the updates listed in …

3
6.0
View Original

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413
Published: 2024-02-13T18:02:24.799Z
Last Modified: 2025-07-28T19:42:22.946Z
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