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CVE-2025-21419

Windows - Setup Files

Microsoft CVSS 7.1 Updated March 10, 2026

Executive Risk Summary

"The Windows Setup Files Cleanup Elevation of Privilege Vulnerability, identified as CVE-2025-21419, allows an attacker to elevate their privileges on a vulnerable system. This vulnerability can be exploited by an attacker to gain elevated access to sensitive system resources."

Operational Audit Arsenal

Target Type Executable
Target Asset setup.exe
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: setup.exe (Executable)
$Targets = 'setup.exe'
$SearchPaths = @("$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

System Configuration Services

Internal Work Notes

Apply latest Windows security updates to mitigate potential elevation of privilege vulnerability in Windows Setup Files

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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.