PatchTheCVECVE-2026-42214: Notepad Next is a cross-platform, reimplementation of Notepad++
CVE-2026-42214 is a high-severity flaw (CVSS 7.8) affecting notepad next. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Notepad Next is a cross-platform, reimplementation of Notepad++. Prior to version 0.14, NotepadNext's detectLanguageFromExtension() function interpolates a file's extension directly into a Lua script without sanitization. An attacker can craft a filename whose extension contains Lua code, which executes automatically when the victim opens the file in NotepadNext. Because luaL_openlibs() is called unconditionally, the full os, io, and package libr
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.2% (top 85%) |
| CISA exploited list | No |
| Weakness | CWE-94 |
| Published | 2026-05-07 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-42214?
notepad next: upgrade to 0.14. Exact commands for each OS are on this page.
Is CVE-2026-42214 being exploited?
CVE-2026-42214 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-42214 affect?
CVE-2026-42214 affects notepad next. Severity is high (CVSS 7.8). Notepad Next is a cross-platform, reimplementation of Notepad++. Prior to version 0.14, NotepadNext's detectLanguageFromExtension() function interpolates a file's extension directly into a Lua script without sanitization. An attacker can cr
How urgent is CVE-2026-42214?
Priority 36/100. High severity; Public exploit reference