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CVE-2026-20811

Windows - Win32K

Microsoft CVSS 7.8 Updated March 15, 2026

Executive Risk Summary

"A type confusion vulnerability in Windows Win32K allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system compromise. This vulnerability can be exploited by an attacker to gain elevated privileges, which could result in a significant security breach."

Operational Audit Arsenal

Target Type System Component
Target Asset win32k.sys
Standard Path %windir%\System32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: win32k.sys (System Component)
$Targets = 'win32k.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

Moderate

Internal Work Notes

CVE-2026-20811: Windows Win32K type confusion vulnerability allowing local privilege escalation; patching required to prevent potential security breaches.

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Intelligence Sources

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