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CVE-2026-32075

Windows - Universal Plug and Play (UPnP) Device Host

Microsoft CVSS 7 Updated April 16, 2026

Executive Risk Summary

"A use-after-free vulnerability in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally. This vulnerability can be exploited to gain elevated access to the system, potentially leading to further malicious activity."

Anticipated Attack Path

  1. 1. Initial Exploitation: Attacker gains access to the system through the UPnP Device Host vulnerability
  2. 2. Privilege Escalation: Attacker elevates privileges to gain higher access to the system
  3. 3. Post-Exploitation: Attacker performs malicious activities with elevated privileges

Am I Vulnerable?

  • Verify the presence of the UPnP Device Host service on the system
  • Check for any suspicious activity related to the UPnP Device Host service
  • Apply the latest security patches from Microsoft to remediate the vulnerability

Operational Audit Arsenal

Target Type Service
Target Asset upnphost
Standard Path Windows Services
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: upnphost (Service)
$Targets = 'upnphost'
$SearchPaths = @("$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

Minimal to Moderate

Internal Work Notes

CVE-2026-32075: Windows UPnP Device Host vulnerability allowing local privilege escalation; apply latest Microsoft security patches to remediate

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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.