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CRITICAL: THIS VULNERABILITY IS ACTIVELY BEING EXPLOITED IN THE WILD (CISA KEV CATALOG)
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CVE-2025-32701

Exploited

Windows - Common Log File System Driver

Microsoft CVSS 7.8 Updated March 12, 2026

Executive Risk Summary

"A use-after-free vulnerability in the Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access and control of the system. This vulnerability poses a significant risk to system security and integrity, as it can be exploited to gain elevated privileges and execute malicious code."

Operational Audit Arsenal

Target Type Driver
Target Asset clfs.sys
Standard Path %windir%\System32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: clfs.sys (Driver)
$Targets = 'clfs.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

System services may be affected

Internal Work Notes

CVE-2025-32701: Windows Common Log File System Driver vulnerability allowing local privilege escalation, requiring patching and reboot to mitigate

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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.