Executive Risk Summary
"A vulnerability in the Windows Web Threat Defense User Service could allow an attacker to disclose sensitive information. This vulnerability is considered an information disclosure vulnerability, which could potentially lead to further attacks."
Operational Audit Arsenal
Target Type Service
Target Asset Web Threat Defense User Service
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Web Threat Defense User Service (Service)
$Targets = 'Web Threat Defense User Service'
$SearchPaths = @("$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
Web Threat Defense Service
Internal Work Notes
Apply patch for CVE-2025-21343 to prevent information disclosure vulnerability in Windows Web Threat Defense User Service
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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.