Home Microsoft CVE-2025-49666
Back to Microsoft

CVE-2025-49666

Windows - Kernel

Microsoft CVSS 7.2 Updated March 12, 2026

Executive Risk Summary

"A heap-based buffer overflow vulnerability in the Windows Kernel allows an authorized attacker to execute code over a network, potentially leading to a complete system compromise. This vulnerability poses a significant risk to Windows systems, as it could be exploited to gain unauthorized access and control."

Operational Audit Arsenal

Target Type Driver
Target Asset ntoskrnl.exe
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: ntoskrnl.exe (Driver)
$Targets = 'ntoskrnl.exe'
$SearchPaths = @("$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

High-priority patch for Windows Kernel vulnerability, requires immediate attention and reboot

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.