Home/CVE/.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
CVE

CVE-2024-21409

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

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

HIGH · CVSS 7.3 EPSS 0.57623
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  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 2% of all CVEs by exploitation likelihood
  • CVSS base score ≥ 7.0
Sigma rules13 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

11
microsoft .net frameworkall versions
microsoft .net>= 6.0.0 and < 6.0.29
microsoft .net>= 7.0.0 and < 7.0.18
microsoft .net>= 8.0.0 and < 8.0.4
microsoft powershell>= 7.2 and < 7.2.19
microsoft powershell>= 7.3 and < 7.3.12
microsoft powershell>= 7.4 and < 7.4.2
microsoft visual studio 2022>= 17.4.0 and < 17.4.18
▤

Affected Packages

3
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
NuGet Microsoft.WindowsDesktop.App.Runtime.win-arm64 HIGH fixed in 6.0.29
NuGet Microsoft.WindowsDesktop.App.Runtime.win-x64 HIGH fixed in 6.0.29
NuGet Microsoft.WindowsDesktop.App.Runtime.win-x86 HIGH fixed in 7.0.18
◈

Sigma Hunt Rules

13
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighUAC Bypass Using .NET Code Profiler on MMC
producthighPotential AMSI Bypass Via .NET Reflection
producthighETW Logging Tamper In .NET Processes Via CommandLine
producthighETW Logging Disabled In .NET Processes - Registry
producthighETW Logging Disabled In .NET Processes - Sysmon Registry
productcriticalBad Opsec Powershell Code Artifacts
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Scoring & Timeline

7.3
HIGH · CVSS v3.1 · secure@microsoft.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Apr 2024 · 05:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
msrcCVE-2024-21409Remote Code Execution
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.netapp.com/advisory/ntap-20250117-0002/
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