CVE-2025-56383 Other in n/a
Attackers can execute malicious code via DLL hijacking if Notepad++ is installed in a directory writable by unprivileged users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-56383?
CVE-2025-56383 is a high-severity vulnerability in n/a, published on 26 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-427
Which versions are affected by CVE-2025-56383?
How do I fix CVE-2025-56383?
No fix has been published for CVE-2025-56383 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-56383 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56383 exists.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-fq6p-2qgq-54m8.