Executive Risk Summary
"A vulnerability in the Windows Resilient File System (ReFS) Deduplication Service could allow an attacker to elevate their privileges. This vulnerability requires an attacker to have valid credentials on the target system, and the impact is limited to the specific system where the vulnerability is exploited."
Operational Audit Arsenal
Target Type Service
Target Asset ReFS Deduplication Service
Standard Path Windows Systems with ReFS enabled
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: ReFS Deduplication Service (Service)
$Target = "ReFS Deduplication Service"
$SearchPaths = @("$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 vulnerability, and consider disabling the ReFS Deduplication Service if it is not required.
Intelligence Sources
Scope of Impact
Windows Server 2025 Windows 11 24H2
Original NVD Description
"Windows Resilient File System (ReFS) Deduplication Service 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.