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CVE-2025-21294

Windows 11 - Digest Authentication

Microsoft CVSS 8.1 Updated March 8, 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. This vulnerability poses a significant risk to systems that use Digest Authentication, as it could be exploited to gain unauthorized access and control."

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 address Microsoft Digest Authentication RCE vulnerability (CVE-2025-21294) to prevent potential code execution attacks

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Intelligence Sources

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Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.