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.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
For CVE-2025-15556, added to the catalogue on Feb 12, 2026 with a remediation deadline of Mar 05, 2026.
Available for technologies you monitor inside Seraph CTI.
Surfaced automatically when a tracked actor is linked to this CVE.
Shown when this vendor/product is relevant to your industry.
Campaign and indicator context, where Seraph analysts have published it.
Declare your technology stack inside Seraph CTI and get notified the moment a KEV entry matches it.
