CVE-2025-56383: High severity Notepad++ Notepad++ vulnerability

Published Sep 26, 2025
·
Updated

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.

Affected Software

1 affected component
Notepad++ Notepad++

Event History

Sep 26, 2025
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·06:15 PM
DescriptionSeverity
Jun 16, 57715
Event
via NVD·05:59 AM
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-56383?

CVE-2025-56383 has been classified as a high-severity vulnerability due to its potential to execute malicious code through DLL hijacking.

2

How do I fix CVE-2025-56383?

To fix CVE-2025-56383, users should update Notepad++ to the latest version that includes a patch for the DLL hijacking vulnerability.

3

What systems are affected by CVE-2025-56383?

CVE-2025-56383 affects Notepad++ version 8.8.3 specifically, making it vulnerable to DLL hijacking attacks.

4

What potential risks does CVE-2025-56383 pose?

The potential risks of CVE-2025-56383 include unauthorized execution of arbitrary code, which may lead to system compromise.

5

What is DLL hijacking in relation to CVE-2025-56383?

DLL hijacking in CVE-2025-56383 refers to the vulnerability that allows attackers to replace a legitimate DLL file with a malicious one to run harmful code.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203