CVE-2024-21409

HIGHNVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 2.5%, top 17% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.3
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 7.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
—
EPSS
83.1%
KEV
Not listed

Published

April 9, 2024

Last Modified

January 17, 2025

References (3)

Affected Packages

(3 across 1 ecosystem)
NuGet(3)
PackageVulnerable rangeFixed inDependents
Microsoft.WindowsDesktop.App.Runtime.win-arm647.0.0 ... 7.0.9 (17 versions)7.0.18—
Microsoft.WindowsDesktop.App.Runtime.win-x647.0.0 ... 7.0.9 (17 versions)7.0.18—
Microsoft.WindowsDesktop.App.Runtime.win-x863.0.0 ... 6.0.9 (87 versions)6.0.29—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 48× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 105 total refreshes for this CVE.

  1. 2026-07-22 23:20 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
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  47. 2026-06-08 22:02 UTCOSV refresh
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Frequently asked(5)

What is CVE-2024-21409?
CVE-2024-21409 is a high vulnerability published on April 9, 2024. .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
When was CVE-2024-21409 disclosed?
CVE-2024-21409 was first published in the National Vulnerability Database on April 9, 2024, with the most recent update on January 17, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-21409 actively exploited?
CVE-2024-21409 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 83.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-21409?
CVE-2024-21409 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2024-21409?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21409, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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