Notepad++ DLL Hijack Flaw Lets Attackers Run Malicious Code

Security researchers have identified a critical DLL hijacking vulnerability in Notepad++ version 8.8.3, tracked as CVE-2025-56383. This flaw enables attackers to execute arbitrary code by replacing legitimate Dynamic Link Library (DLL) files within the application’s plugin directory with malicious versions that maintain the same export functions. Technical Details The vulnerability specifically targets Notepad++’s plugin system, particularly […]

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