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Vulnerability record · CVE-2024-21409 · published 9 April 2024

CVE-2024-21409: Microsoft .net framework use after free vulnerability

Microsoft · .Net Framework

.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

7.3 CVSS 3.1 High EPSS 2.5% · top 15.7% CWE-416 · Use after free
7.3CVSS 3.1 base score
2.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21409 Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21409 Vendor Advisory
https://security.netapp.com/advisory/ntap-20250117-0002/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-21409), CISA KEV, FIRST EPSS (scores of 2026-10-07). This page is refreshed as NVD updates the record.