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CVE-2025-62456

Windows - Resilient File System (ReFS)

Microsoft CVSS 8.8 Updated March 13, 2026

Executive Risk Summary

"A heap-based buffer overflow vulnerability in Windows Resilient File System (ReFS) allows an authorized attacker to execute code over a network, potentially leading to system compromise. This vulnerability requires an attacker to have network access and authorization to exploit, but could result in significant disruption if successfully exploited."

Operational Audit Arsenal

Target Type Driver
Target Asset ReFS.sys
Standard Path %windir%System32drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: ReFS.sys (Driver)
$Targets = 'ReFS.sys'
$SearchPaths = @("$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

File system services

Internal Work Notes

High-risk vulnerability in Windows ReFS requires immediate patching to prevent potential code execution attacks over the network.

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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.