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CVE-2025-27475

Windows - Windows Update Stack

Microsoft CVSS 7 Updated March 12, 2026

Executive Risk Summary

"An elevation of privilege vulnerability exists in Windows Update Stack due to sensitive data storage in improperly locked memory, allowing an authorized attacker to elevate privileges locally. This vulnerability can be exploited by an attacker to gain elevated access to sensitive data and system resources."

Operational Audit Arsenal

Target Type DLL
Target Asset wuaueng.dll
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: wuaueng.dll (DLL)
$Targets = 'wuaueng.dll'
$SearchPaths = @("$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 Stack, patching required to prevent unauthorized access to sensitive data and system resources.

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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.