What’s Vulnerable › Vulnerabilities

CVE-2019-16294

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 9.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-09-14 · updated 2026-06-17
• Weakness: CWE-787

Description

SciLexer.dll in Scintilla in Notepad++ (x64) before 7.7 allows remote code execution or denial of service via Unicode characters in a crafted .ml file.

Affected products

• Notepad++: before 7.7 — fixed in 7.7
• Scintilla: all versions

How to fix

Upgrade to a fixed version: Notepad++ 7.7. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/154706/Notepad-Code-Execution-Denial-Of-Service.html
• https://github.com/bi7s/CVE/tree/master/CVE-2019-16294
• https://notepad-plus-plus.org/download/v7.7.html
• https://www.scintilla.org/ScintillaHistory.html
• http://packetstormsecurity.com/files/154706/Notepad-Code-Execution-Denial-Of-Service.html
• https://github.com/bi7s/CVE/tree/master/CVE-2019-16294
• https://notepad-plus-plus.org/download/v7.7.html
• https://www.scintilla.org/ScintillaHistory.html

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