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CVE-2025-21419

Target: Windows - Setup Files

Microsoft CVSS 7.1 Updated March 10, 2026
Threat Level HIGH

Executive Risk Summary

"The Windows Setup Files Cleanup Elevation of Privilege Vulnerability, identified as CVE-2025-21419, poses a risk where an attacker could exploit it to gain elevated privileges on a vulnerable system. This vulnerability could be particularly dangerous if the attacker already has a foothold on the system, as it could allow them to escalate their privileges and carry out more damaging attacks."

Operational Audit Arsenal

Target Type File System
Target Asset Windows Setup Files
Standard Path Windows System Directory
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Windows Setup Files (File System)
$Target = "Windows Setup Files"
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Filter $Target -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Required
Service Disruption

Low to Moderate

Internal Work Notes

Apply the latest security updates from Microsoft to mitigate the Windows Setup Files Cleanup Elevation of Privilege Vulnerability. Monitor system logs for signs of exploitation attempts and ensure least privilege principles are applied to all user accounts.

Intelligence Sources

Scope of Impact

Windows Server 2022 23H2 Windows 10 1809 Windows Server 2008 (Version r2) Windows 11 24H2 Windows 10 22H2 Windows Server 2012 (Version r2) Windows Server 2016 Windows Server 2012 Windows Server 2025 Windows 11 22H2 Windows 10 21H2 Windows 10 1607 Windows Server 2019 Windows 11 23H2 Windows 10 1507 Windows Server 2022

Original NVD Description

"Windows Setup Files Cleanup Elevation of Privilege Vulnerability"

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.