CVE-2025-56383

High

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.

SeverityHigh
CVSS8.4
Exploit probability—
ProductNotepad++
PublishedSep 26, 2025
First seenSep 26, 2025
Weakness typeCWE-427CWE-427

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Notepad++8.8.3—

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