Executive Risk Summary
"A vulnerability exists in EOL ASP.NET when closing an HTTP/3 stream while application code is writing to the response body, a race condition may lead to use-after-free, resulting in Remote Code Execution. This issue affects EOL ASP.NET versions 6.0.0 <= 6.0.36, 8.0.0 <= 8.0.8, and 9.0.0-preview.1.24081.5 <= 9.0.0.RC.1."
Operational Audit Arsenal
Target Type DLL
Target Asset System.Net.Http.dll
Standard Path %windir%\Microsoft.NET\assembly\GAC_MSIL\System.Net.Http
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: System.Net.Http.dll (DLL)
$Targets = 'System.Net.Http.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")
Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue |
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}Patch Impact Forecast
Reboot Required Unlikely
Web services may be affected
Internal Work Notes
Remote Code Execution vulnerability in EOL ASP.NET, requiring recompilation and redeployment of self-contained applications targeting impacted versions.
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Intelligence Sources
Related Microsoft Threats
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.