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CVE-2026-71858

Notepad++: shortcuts.xml Macro HMAC Bypass Enables Conditional Elevated Command Execution PUBLISHED

Description (CNA)

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, macros loaded from an attacker-controlled shortcuts.xml bypass the HMAC validation applied to UserDefinedCommands and can invoke Scintilla actions and the internal Open in Default Viewer command in an elevated Notepad++ process, allowing protected file modification and conditional elevated command execution when a local attacker influences settingsDir and a user triggers the macro. This issue is fixed in version 8.9.7.

Affected (CNA)

Vendor / productVersions
notepad-plus-plus / notepad-plus-plusaffected < 8.9.7

CWE

CWE-78, CWE-345, CWE-693

References

ADP enrichment

CISA-ADP

No English description supplied.