CVE-2025-56383

Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code

High · published September 26, 2025

CVSS v3.1
8.4
EPSS
0%
Percentile
30.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00381 · 30.9th percentile
Published
2025-09-26T00:00Z
EPSS history
Timeline
  • 26 SEP 00:00Z
    Notepad++ v8.8.3 has a DLL hijacking vulnerability, which can replace the original DLL file to execute malicious code
    cvelistv5