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CVE-2026-20849

Windows - Kerberos

Microsoft CVSS 7.5 Updated March 15, 2026

Executive Risk Summary

"A vulnerability in Windows Kerberos allows an authorized attacker to elevate privileges over a network by relying on untrusted inputs in a security decision. This could lead to unauthorized access to sensitive data and systems, potentially resulting in data breaches or lateral movement within the network."

Operational Audit Arsenal

Target Type System Library
Target Asset lsass.exe
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: lsass.exe (System Library)
$Targets = 'lsass.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

Moderate

Internal Work Notes

CVE-2026-20849: Windows Kerberos vulnerability allowing privilege escalation, requires patching and reboot

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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.