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CVE-2025-21376

Windows - Lightweight Directory Access Protocol (LDAP)

Microsoft CVSS 8.1 Updated March 10, 2026

Executive Risk Summary

"A remote code execution vulnerability exists in Windows Lightweight Directory Access Protocol (LDAP) due to improper handling of LDAP requests, allowing an attacker to execute arbitrary code on the target system. This vulnerability could be exploited by sending a specially crafted LDAP request to a vulnerable Windows system, potentially leading to a full system compromise."

Operational Audit Arsenal

Target Type DLL
Target Asset wldap32.dll
Standard Path %windir%\System32
PowerShell
# 🛠️ Senior Engineer Universal Audit
# Target: wldap32.dll (DLL)
$Targets = 'wldap32.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

Directory services may be affected

Internal Work Notes

Apply security update to mitigate Windows LDAP RCE vulnerability (CVE-2025-21376) to prevent potential system compromise

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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.