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HIGH

CVE-2026-48778

CVSS v3

7.8

HIGH

EPSS Score

1.3 %

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <GUIConfig name="commandLineInterpreter"> tag in config.xml is read by NppXml::value() (Parameters.cpp:6430) and stored in _nppGUI._commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDM_FILE_OPEN_CMD (File → Open Containing Folder → cmd), NppCommands.cpp:228 creates a Command object with this value and calls run(), which invokes ShellExecute (RunDlg.cpp:221) wi

Technical details

Published
2026-06-26
Exploit-DB
EDB-52606

Frequently asked questions

What is CVE-2026-48778?

Notepad++ is a free and open-source source code editor. Prior to 8.9.6.1, the <GUIConfig name="commandLineInterpreter"> tag in config.xml is read by NppXml::value() (Parameters.cpp:6430) and stored in _nppGUI._commandLineInterpreter without any validation, whitelist, or digital signature check. When the user triggers IDM_FILE_OPEN_CMD (File → Open Containing Folder → cmd), NppCommands.cpp:228 creates a Command object with this value and calls run(), which invokes ShellExecute (RunDlg.cpp:221) wi

Is CVE-2026-48778 actively exploited?

Active exploitation of CVE-2026-48778 has not been confirmed. The EPSS score is 1.3%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-48778?

CVE-2026-48778 has a CVSS v3 base score of 7.8 (HIGH severity).

Is CVE-2026-48778 affecting your environment?

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