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Vulnerability record · CVE-2019-16294 · published 14 September 2019

CVE-2019-16294: Notepad-plus-plus notepad\+\+ out-of-bounds write vulnerability

Notepad Plus Plus · Notepad\+\+

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.

7.8 CVSS 3.1 High EPSS 9.8% · top 4.6% CWE-787 · Out-of-bounds write
7.8CVSS 3.1 base score, v2 6.8
9.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
8References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/154706/Notepad-Code-Execution-Denial-Of-Service.html Third Party AdvisoryVDB Entry
https://github.com/bi7s/CVE/tree/master/CVE-2019-16294 ExploitThird Party Advisory
https://notepad-plus-plus.org/download/v7.7.html Release NotesVendor Advisory
https://www.scintilla.org/ScintillaHistory.html Release NotesVendor Advisory
http://packetstormsecurity.com/files/154706/Notepad-Code-Execution-Denial-Of-Service.html Third Party AdvisoryVDB Entry
https://github.com/bi7s/CVE/tree/master/CVE-2019-16294 ExploitThird Party Advisory
https://notepad-plus-plus.org/download/v7.7.html Release NotesVendor Advisory
https://www.scintilla.org/ScintillaHistory.html Release NotesVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2019-16294), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.