Vendors / Notepad++

Notepad++ vulnerabilities being exploited

1 Notepad++ flaw was confirmed exploited in the wild in the past 365 days, across 1 product: Notepad++. If you run any of them, patch these first.

Added	Exploited vulnerability	Fix by
2026-02-12	CVE-2025-15556 Notepad++ Notepad++ Download of Code Without Integrity Check Vulnerability 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.	2026-03-05

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Source: CISA Known Exploited Vulnerabilities catalog 2026.10.29 (live). A listing means some versions are affected: check yours in the advisory. Guidance only.