PatchSiren

Notepad++ CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

Known exploited Notepad++ CVE published 2026-02-12

CVE-2025-15556

CVE-2025-15556 is a Notepad++ issue described as a "Download of Code Without Integrity Check" vulnerability and listed by CISA in the Known Exploited Vulnerabilities catalog on 2026-02-12. In defensive terms, KEV status means you should treat this as urgent even though the supplied corpus does not include a CVSS score, affected-version range, or exploitation details. Follow the vendor guidance referenced [truncated]