Notepad++ Security Update Advisory (CVE-2025-15556)

Overview

 

We have released a security update to address a vulnerability in Notepad++. Users of affected products are advised to update to the latest version.

 

 

Affected Products

 

CVE-2025-15556

 

Notepad++ Versions: 8.8.9 and earlier

 

 

Resolved Vulnerabilities

 

Insufficient integrity verification vulnerability in the WinGUp update function in Notepad++ (CVE-2025-15556)

 

 

Vulnerability Patches

Vulnerability Patches have been made available in the latest updates. Please follow the instructions on the Referenced Sites to update to the latest Vulnerability Patches version.

 

CVE-2025-15556

 

Notepad++ Version: 8.8.9

 

 

References

 

[1] Notepad++ v8.8.9: Vulnerability-fix
https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix