CVE-2024-21413

Microsoft Outlook Remote Code Execution Vulnerability

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413	Patch Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413	Patch Vendor Advisory
https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture/	Technical Description
https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-detection-script	Exploit
https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script	Mitigation
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21413	US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:365_apps:-::::enterprise:::
	cpe:2.3:a:microsoft:office_2016:-::::-::x64:*
	cpe:2.3:a:microsoft:office_2016:-::::-::x86:*
	cpe:2.3:a:microsoft:office_2019:-::::::x64:
	cpe:2.3:a:microsoft:office_2019:-::::::x86:
	cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:::::::*

History

No history.

Information

Published : 2024-02-13 18:16

Updated : 2025-10-28 14:36

NVD link : CVE-2024-21413

Mitre link : CVE-2024-21413

CVE.ORG link : CVE-2024-21413

JSON object : View

Products Affected

microsoft

office_long_term_servicing_channel
office_2016
office_2019
365_apps

CWE

CWE-20

Improper Input Validation

NVD-CWE-noinfo

{"id": "CVE-2024-21413", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2024-02-13T18:16:00.137", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413", "tags": ["Patch", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21413", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://research.checkpoint.com/2024/the-risks-of-the-monikerlink-bug-in-microsoft-outlook-and-the-big-picture/", "tags": ["Technical Description"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-detection-script", "tags": ["Exploit"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.vicarius.io/vsociety/posts/cve-2024-21413-critical-monikerlink-vulnerability-affecting-microsoft-outlook-mitigation-script", "tags": ["Mitigation"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21413", "tags": ["US Government Resource"], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Microsoft Outlook Remote Code Execution Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de ejecuci\u00f3n remota de c\u00f3digo de Microsoft Outlook"}], "lastModified": "2025-10-28T14:36:10.643", "cisaActionDue": "2025-02-27", "cisaExploitAdd": "2025-02-06", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*", "vulnerable": true, "matchCriteriaId": "40C15EDD-98D4-4D06-BA06-21AE0F33C72D"}, {"criteria": "cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x64:*", "vulnerable": true, "matchCriteriaId": "45A9ECE7-F173-47AB-A420-0B6F64A04D21"}, {"criteria": "cpe:2.3:a:microsoft:office_2016:-:*:*:*:-:*:x86:*", "vulnerable": true, "matchCriteriaId": "BF3B9F15-3077-4BC5-9EC5-7416A9FBDC70"}, {"criteria": "cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x64:*", "vulnerable": true, "matchCriteriaId": "241CDE2B-ABD0-4EFF-8D73-1766E32FA20F"}, {"criteria": "cpe:2.3:a:microsoft:office_2019:-:*:*:*:*:*:x86:*", "vulnerable": true, "matchCriteriaId": "14D63E3F-A431-4DD8-979F-811E8DAC423D"}, {"criteria": "cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0B3EF1E5-4757-4CFA-AE72-6BA876D3C9FD"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Microsoft Outlook Improper Input Validation Vulnerability"}