CVE-2025-15556 Notepad++ Notepad++
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.
- CVSS
- not scored
On CISA’s exploited list
Notepad++ Download of Code Without Integrity Check Vulnerability
- Added
- 2026-02-12
- Federal patch deadline
- 2026-03-05
- Ransomware use
- not known