CVE-2025-15556: Notepad++ Download of Code Without Integrity Check
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.
- CISA KEV-listed (remediation due 2026-03-05)
- EPSS 9.1% (92.9% percentile)