Threat intelligence / Vulnerability
CVE-2025-15556
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.
Vulnerability
TypeVulnerability
External ID—
First seen2026-02-12
Last seen2026-02-12
Confidence
—
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.
Labels
CISA KEV context
Vendor / productNotepad++ Notepad++
Added2026-02-12
Due date2026-03-05
13 recorded
Relationships
2 external