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CVE-2026-85288

Notepad++: Shortcuts.xml macro HMAC bypass still reachable via the "Run a Macro Multiple Times" dialog PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
notepad-plus-plus / notepad-plus-plusaffected < 8.9.8

CWE

CWE-78, CWE-345, CWE-693

References

ADP enrichment

CISA-ADP

No English description supplied.