7.3

CVE-2024-21409: microsoft microsoft .net framework 3.5 and 4.7.2 Use After Free

CVSS: 7.3v3.1HighModified
AliasesGHSA-6qmx-42h2-j8h6BIT-dotnet-2024-21409BIT-dotnet-sdk-2024-21409
Published 09-04-2024Last modified 03-05-2025
Open JSON

Vulnerability summary

CVE-2024-21409 is a high (CVSS 7.3) Use After Free vulnerability in microsoft microsoft .net framework 3.5 and 4.7.2. EPSS estimates a 2.51% chance of exploitation in the next 30 days, higher than 84.5% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.3/10
010
High · v3.1 (CVE.org)
EPSS score
2.51%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-04-2024
    PublishedVulnerability first disclosed.
  2. 03-05-2025
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.51%

Chance of exploitation in the next 30 days

Percentile

85%

Versus all other CVEs

30-day change

0.00 pp

From 2.51% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft20 products
NuGet3 products
  • Microsoft.WindowsDesktop.App.Runtime.win-arm64< 6.0.29 | ≥ 8.0.0, < 8.0.4 | ≥ 7.0.0, < 7.0.18
  • Microsoft.WindowsDesktop.App.Runtime.win-x64< 6.0.29 | ≥ 8.0.0, < 8.0.4 | ≥ 7.0.0, < 7.0.18
  • Microsoft.WindowsDesktop.App.Runtime.win-x86≥ 7.0.0, < 7.0.18 | ≥ 8.0.0, < 8.0.4 | < 6.0.29

2 vendors · 23 products

References

6 links