HexBrain

Browse / CVEs / CVE-2025-15556

CVE-2025-15556· notepad++ / notepad++· CWE-494

Notepad++ Download of Code Without Integrity Check Vulnerability

Exploited in the wild. Listed by CISA on 2026-02-12; known to be used by ransomware.

1.7%likelihood of exploitation, next 30 days
78%of all CVEs are less likely
Nonecheck to confirm it

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.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

Use this check only on systems you are authorised to test. Where the data comes from