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CVE-2025-21180

Target: Windows - exFAT File System

Microsoft CVSS 7.8 Updated March 10, 2026
Threat Level HIGH

Executive Risk Summary

"A heap-based buffer overflow vulnerability in the Windows exFAT File System allows an unauthorized attacker to execute code locally, potentially leading to system compromise. This vulnerability poses a significant risk as it can be exploited to gain elevated privileges and execute malicious code."

Operational Audit Arsenal

Target Type File System
Target Asset exFAT
Standard Path Windows
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: exFAT (File System)
$Target = "exFAT"
$SearchPaths = @("$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

Recommend applying the latest security updates from Microsoft to mitigate the vulnerability, and monitor system logs for suspicious activity.

Intelligence Sources

Scope of Impact

Windows Server 2022 23H2 Windows 10 1809 Windows Server 2008 (Version r2) Windows 11 24H2 Windows 10 22H2 Windows Server 2012 (Version r2) Windows Server 2016 Windows Server 2008 Windows Server 2012 Windows Server 2025 Windows 11 22H2 Windows 10 21H2 Windows 10 1607 Windows Server 2019 Windows 11 23H2 Windows 10 1507 Windows Server 2022

Original NVD Description

"Heap-based buffer overflow in Windows exFAT File System allows an unauthorized attacker to execute code locally."

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.