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CVE-2025-21396

Microsoft Account

Microsoft CVSS 8.2 Updated March 10, 2026

Executive Risk Summary

"A missing authorization vulnerability in Microsoft Account allows an unauthorized attacker to elevate privileges over a network, potentially leading to unauthorized access and data breaches. This vulnerability poses a significant risk to organizations relying on Microsoft Account for authentication and authorization."

Operational Audit Arsenal

Target Type Executable
Target Asset Microsoft Account executable
Standard Path %ProgramFiles%\Microsoft Account
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: Microsoft Account executable (Executable)
$Targets = 'Microsoft Account executable'
$SearchPaths = @("$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

Authentication services may be affected

Internal Work Notes

CVE-2025-21396: Missing authorization in Microsoft Account allows privilege escalation. Apply patch from MSRC update guide to mitigate risk.

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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.