Description
Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code. NOTE: this is disputed by multiple parties because the behavior only occurs when a user installs the product into a directory tree that allows write access by arbitrary unprivileged users.
Metrics
CVSS 3.1 8.4/10
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/notepad-plus-plus/notepad-plus-plus
- https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept
- https://github.com/zer0t0/CVE-2025-56383-Proof-of-Concept/issues/1
- https://www.vicarius.io/vsociety/posts/cve-2025-56383-detect-notepad-vulnerability
- https://www.vicarius.io/vsociety/posts/cve-2025-56383-mitigate-notepad-vulnerability
Timeline
- Published
- Sep 26, 2025
- Last modified
- Nov 5, 2026
- NVD status
- Deferred