Executive Risk Summary
"A time-of-check time-of-use (toctou) race condition in the Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system resources. This vulnerability poses a significant risk to Windows systems, as it can be exploited by an attacker with limited privileges to gain elevated access."
Operational Audit Arsenal
Target Type Driver
Target Asset Cloud Files Mini Filter Driver
Standard Path %windir%System32drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Cloud Files Mini Filter Driver (Driver)
$Targets = 'Cloud Files Mini Filter Driver'
$SearchPaths = @("$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 and cloud storage services may be affected
Internal Work Notes
CVE-2025-55680: Windows Cloud Files Mini Filter Driver toctou vulnerability - requires patching to prevent local privilege escalation
Technical Intelligence & Operational Utilities • Delivered Weekly
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.