CVE-2025-15556
Notepad++ Download of Code Without Integrity Check Vulnerability
⚠ KEVEPSS 6.1%
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.
How to fix CVE-2025-15556
No package mapping is available — consult the references below for vendor-specific guidance.
Is CVE-2025-15556 being exploited?
Yes — CVE-2025-15556 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (0)
No package mapping in OSV.