CVE-2025-15556

Notepad++ Download of Code Without Integrity Check Vulnerability
1.7%
EPSS
78%
Percentile
Yes
Known exploited
0
APAC news · 90d
Summary

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.

Vendor
Notepad++
Product
Notepad++
Added to KEV
Feb 12, 2026
Remediation due
Mar 5, 2026 (US federal deadline)
Ransomware use
Not known
Weakness
CWE-494
EPSS
1.7% as of Nov 12
In the news
  • No Asia-Pacific article names this CVE yet.
Linked
Actors named alongside it:
none
Incidents exploiting it:
  • none recorded