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CVE-2024-28252

.NET Core - CoreWCF

Microsoft CVSS 7.5 Updated March 14, 2026

Executive Risk Summary

"A vulnerability in CoreWCF could allow an attacker to consume extra system resources by leaving connections established instead of closing or aborting them. This can happen in two scenarios: when a client establishes a connection and sends no data, and when a client establishes a session but doesn't send any requests within the configured ReceiveTimeout period."

Operational Audit Arsenal

Target Type DLL
Target Asset CoreWCF.dll
Standard Path %ProgramFiles%\CoreWCF
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: CoreWCF.dll (DLL)
$Targets = 'CoreWCF.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

Service affected

Internal Work Notes

Upgrade CoreWCF to version 1.4.2 or 1.5.2 to mitigate the vulnerability

Technical Intelligence & Operational Utilities • Delivered Weekly

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.