Firetruck

CVE-2025-15556

KEV

Notepad++ Download of Code Without Integrity Check Vulnerability

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Vendor / Project
Notepad++
Product
Notepad++
Date added
Feb 12, 2026
Due date
Mar 5, 2026
Known ransomware use
Unknown
CWEs
CWE-494

Description

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.

Required action

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

Notes