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CVE-2025-27484

Windows - Universal Plug and Play (UPnP) Device Host

Microsoft CVSS 7.5 Updated March 12, 2026

Executive Risk Summary

"An elevation of privilege vulnerability exists in Windows Universal Plug and Play (UPnP) Device Host, allowing an authorized attacker to elevate privileges over a network. This vulnerability is due to sensitive data storage in improperly locked memory."

Operational Audit Arsenal

Target Type Service
Target Asset UPnP Device Host
Standard Path %windir%\System32\svchost.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: UPnP Device Host (Service)
$Targets = 'UPnP Device Host'
$SearchPaths = @("$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

Network services may be affected

Internal Work Notes

Elevation of privilege vulnerability in Windows UPnP Device Host requires patching to prevent unauthorized access

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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.