CVE-2025-15556

Producto

Notepad++ / Notepad++

Vulnerabilidad

Notepad++ Download of Code Without Integrity Check Vulnerability

Añadido a KEV

12 feb 2026

Remediar antes de

5 mar 2026

Uso conocido en ransomware

No

Descripción resumida

Notepad++ when using the WinGUp updater, contains a download of code without integrity check vulnerability that could allow an attacker to intercept or redirect update traffic to download and execute an attacker-controlled installer. This could lead to arbitrary code execution with the privileges of the user.

Acción requerida

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notas

https://notepad-plus-plus.org/news/clarification-security-incident/ ; https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix ; https://nvd.nist.gov/vuln/detail/CVE-2025-15556