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CVE-2025-59275

Windows - Authentication Methods

Microsoft CVSS 7.8 Updated March 13, 2026

Executive Risk Summary

"An improper validation vulnerability in Windows Authentication Methods allows an authorized attacker to elevate privileges locally, potentially leading to unauthorized access to sensitive data and system resources. This vulnerability poses a significant risk to system security and integrity, as it can be exploited to gain elevated privileges and perform malicious actions."

Operational Audit Arsenal

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

Internal Work Notes

CVE-2025-59275: Windows Authentication Methods vulnerability allowing local privilege escalation, requiring patching and reboot to mitigate

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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.