All intelligence
// vulnerability record
cached · NVD via COSMOS syncCVE-2025-15556
HIGHKEVpublished 2026-02-03 01:15 UTC · 6 months ago · modified 2026-06-17 08:38 UTC
7.7
CVSS / 10
// description
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.
// required action (CISA KEV)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
added 2026-02-12 00:00 UTC
// weaknesses (CWE)
- CWE-494
// references (7)
- https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix
- https://github.com/notepad-plus-plus/notepad-plus-plus/commit/bcf2aa68ef414338d717e20e059459570ed6c5ab
- https://github.com/notepad-plus-plus/wingup/commit/ce0037549995ed0396cc363544d14b3425614fdb
- https://notepad-plus-plus.org/news/hijacked-incident-info-update/