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CVE-2025-49727

Windows - Win32K

Microsoft CVSS 7 Updated March 12, 2026

Executive Risk Summary

"A heap-based buffer overflow vulnerability in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access and control of system resources. 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 DLL
Target Asset win32k.sys
Standard Path %windir%\System32\drivers
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: win32k.sys (DLL)
$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

System services may be affected

Internal Work Notes

Elevated privilege vulnerability in Windows Win32K - GRFX, requiring patching and reboot to mitigate potential security risks

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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.