Notepad++ Download of Code Without Integrity Check Vulnerability

When

2026-02-12 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit

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.

Sources

• CISA ↗ · first seen 2026-02-12 00:00 UTC

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