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CVE-2025-27479

Windows - Kerberos

Microsoft CVSS 7.5 Updated March 12, 2026

Executive Risk Summary

"An unauthorized attacker can exploit the insufficient resource pool in Windows Kerberos to deny service over a network, potentially causing disruptions to authentication services. This vulnerability poses a significant risk to organizations relying on Kerberos for authentication, as it can lead to service unavailability and impact business operations."

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

CVE-2025-27479: Windows Kerberos vulnerability allowing denial of service, requiring patching and potential reboot 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.