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CVE-2025-21299

Windows - Kerberos

Microsoft CVSS 7.1 Updated March 8, 2026

Executive Risk Summary

"A security feature bypass vulnerability exists in Windows Kerberos, allowing an attacker to bypass security features. This vulnerability could potentially lead to unauthorized access to sensitive data or systems."

Operational Audit Arsenal

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

Authentication services

Internal Work Notes

Apply patch for Windows Kerberos Security Feature Bypass Vulnerability (CVE-2025-21299) to prevent security feature bypass and potential unauthorized access.

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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.