DueDLLigence is an open-source tool that automates the identification and analysis of DLL hijacking vulnerabilities in Windows applications. The tool scans applications to detect potential DLL hijacking attack vectors and provides comprehensive reports detailing discovered vulnerabilities. It analyzes how applications load dynamic link libraries and identifies scenarios where malicious DLLs could be substituted for legitimate ones. DueDLLigence generates detailed reports that highlight potential security weaknesses and includes suggested remediation steps to address identified vulnerabilities. The automated analysis capabilities help streamline the vulnerability assessment process for Windows-based applications. The tool is designed for security professionals and developers who need to evaluate the security posture of Windows applications and identify areas requiring security improvements. It helps organizations proactively address DLL hijacking risks before they can be exploited by attackers.