CVE-2026-85288Medium· 6.7▾ SunlitNotepad++ is a free and open-source source code editor. Prior to 8.9.8, Notepad++ incompletely enforces shortcuts.xml HMAC validation because WM_MACRODLGRUNMACRO, the Run a Macro Multiple Times entry point, calls macroPlayback() without …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 36.9 · likelihood 0 · exploitation 0
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Notepad++ is a free and open-source source code editor. Prior to 8.9.8, Notepad++ incompletely enforces shortcuts.xml HMAC validation because WM_MACRODLGRUNMACRO, the Run a Macro Multiple Times entry point, calls macroPlayback() without the validation used by command(). A tampered shortcuts.xml macro that is blocked through the Macro menu or a shortcut key can therefore execute through the multi-run dialog and invoke internal Notepad++ commands, including commands that launch external programs, in the current user context. This issue is fixed in version 8.9.8.
notepad-plus-plus < 8.9.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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CVE-2026-86054High· 7.8Notepad++: Stack Buffer Overflow in `NppParameters::writeSession` via overlong session path
CVE-2026-86056Medium· 5.5Notepad++: Null pointer dereference in NPPM_SAVESESSION message handler causes crash (DoS)
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CVE-2026-71858NoneNotepad++ is a free and open-source source code editor