CVE-2025-56383
- State
- Published
- Severity
- 8.4 High
- Published
- Sep 26, 2025
- Updated
- Feb 26, 2026
- Reserved
- Aug 16, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.4 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-427 Uncontrolled Search Path Element
Affected Products
| Product | Versions |
|---|---|
n/an/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
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