Executive Risk Summary
"A vulnerability in Windows Hyper-V NT Kernel Integration VSP allows an attacker to elevate privileges, potentially leading to unauthorized access and control. This vulnerability is considered critical and should be addressed promptly to prevent exploitation."
Operational Audit Arsenal
Target Type Virtualization Software
Target Asset Hyper-V
Standard Path Windows Servers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Hyper-V (Virtualization Software)
$Target = "Hyper-V"
$SearchPaths = @("$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
Moderate
Internal Work Notes
Apply the latest security updates from Microsoft to mitigate the Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability (CVE-2025-21333).
Intelligence Sources
Microsoft Security Response Center https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21333
Official Advisory https://www.exploit-db.com/exploits/52436
Official Advisory https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-detection-script
Official Advisory https://www.vicarius.io/vsociety/posts/cve-2025-21333-elevated-privilege-exposure-in-windows-hyper-v-by-microsoft-mitigation-script
CISA KEV Catalog https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-21333
Scope of Impact
Windows 11 23H2 Windows 10 21H2 Windows 10 22H2 Windows Server 2022 23H2 Windows 11 22H2 Windows Server 2025 Windows 11 24H2
Original NVD Description
"Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability"
Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.