CVE-2026-52884 Notepad++: CVE-2026-48800 Bypass

Notepad++ is a free and open-source source code editor. In v8.9.6.1, isInTrustedDirectory does NOT canonicalize the path before checking. It uses a prefix-based check PathIsPrefix or equivalent that matches paths starting with trusted directory strings. A path traversal using ....\ after a truste...