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CVE-2025-27729

Windows - Shell

Microsoft CVSS 7.8 Updated March 12, 2026

Executive Risk Summary

"A use-after-free vulnerability in the Windows Shell allows an unauthorized attacker to execute code locally, potentially leading to a full system compromise. This vulnerability can be exploited by an attacker to gain elevated privileges and execute malicious code on the affected system."

Operational Audit Arsenal

Target Type DLL
Target Asset shell32.dll
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: shell32.dll (DLL)
$Targets = 'shell32.dll'
$SearchPaths = @("$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

Windows Shell services may be affected

Internal Work Notes

CVE-2025-27729: Windows Shell use-after-free vulnerability, patching required to prevent local code execution

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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.