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CVE-2026-21223

Microsoft Edge - Chromium-based

Microsoft CVSS 7.1 Updated March 15, 2026

Executive Risk Summary

"An improper privilege management vulnerability in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally, potentially leading to unauthorized access to sensitive data. This vulnerability can be exploited by an attacker with local access to the system, and successful exploitation could result in a compromise of the system's security."

Operational Audit Arsenal

Target Type Executable
Target Asset edge.exe
Standard Path %ProgramFiles(x86)%\Microsoft\Edge\Application
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: edge.exe (Executable)
$Targets = 'edge.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

Minimal

Internal Work Notes

CVE-2026-21223: Microsoft Edge improper privilege management vulnerability, requires update to prevent local security feature bypass

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.