Known Exploited Vulnerabilities February 12, 2026 · CISA KEV Catalog

CVE-2025-15556: 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.

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Topics

Vulnerabilities & Patching

Mentions

CVE-2025-15556Notepad++

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