18 Apr, 2026

Notepad++ fixes flaw that let attackers push malicious update files

Notepad++ version 8.8.9 was released to fix a security weakness in its WinGUp update tool after researchers and users reported incidents in which the updater retrieved malicious executables instead of legitimate update packages. The first signs of this issue appeared in a Notepad++ community forum topic, where a user reported that Notepad++’s update tool, GUP.exe (WinGUp), spawned […]

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