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CVE-2025-48819

Windows - Universal Plug and Play (UPnP) Device Host

Microsoft CVSS 7.1 Updated March 12, 2026

Executive Risk Summary

"A vulnerability in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network by accessing sensitive data stored in improperly locked memory. This vulnerability poses a significant risk to Windows systems, as it could be exploited to gain unauthorized access and control."

Operational Audit Arsenal

Target Type Service
Target Asset UPnP Device Host
Standard Path %windir%\System32
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

CVE-2025-48819: Windows UPnP Device Host vulnerability allowing privilege escalation, requiring patching and potential system reboot.

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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.