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CVE-2025-48799

Windows - Windows Update Service

Microsoft CVSS 7.8 Updated March 12, 2026

Executive Risk Summary

"An elevation of privilege vulnerability exists in the Windows Update Service due to improper link resolution before file access, allowing an authorized attacker to elevate privileges locally. This vulnerability can be exploited by an attacker to gain elevated access to the system, potentially leading to further malicious activities."

Operational Audit Arsenal

Target Type Service
Target Asset Windows Update Service
Standard Path %windir%\System32\svchost.exe
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Windows Update Service (Service)
$Targets = 'Windows Update 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

Windows Update Service

Internal Work Notes

Elevation of Privilege vulnerability in Windows Update Service, requiring patching to prevent potential privilege escalation 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.