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CVE-2025-21369

Windows - Digest Authentication

Microsoft CVSS 8.8 Updated March 10, 2026

Executive Risk Summary

"A remote code execution vulnerability exists in Microsoft Digest Authentication, allowing an attacker to execute arbitrary code on the target system. Successful exploitation of this vulnerability could result in the attacker gaining control of the affected system."

Operational Audit Arsenal

Target Type DLL
Target Asset w3wp.dll
Standard Path %windir%\System32\inetsrv
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: w3wp.dll (DLL)
$Targets = 'w3wp.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 Likely

IIS Service

Internal Work Notes

Apply security update to mitigate remote code execution vulnerability in Microsoft Digest Authentication

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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.