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CVE-2025-15556

HIGHCISA KEV

7.5

Description

Notepad++ versions prior to 8.8.9, when using the WinGUp updater, contain an update integrity verification vulnerability where downloaded update metadata and installers are not cryptographically verified. An attacker able to intercept or redirect update traffic can cause the updater to download and execute an attacker-controlled installer, resulting in arbitrary code execution with the privileges of the user.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteHIGH

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie2/3/2026

Derniere modification2/13/2026

Sourcekev

Observations honeypot0

CISA KEV

FournisseurNotepad++

ProduitNotepad++

Nom vulnerabiliteNotepad++ Download of Code Without Integrity Check Vulnerability

Date ajout KEV2026-02-12

Date limite remediation2026-03-05

Utilise dans ransomwareUnknown

Produits affectes

notepad-plus-plus:notepad\+\+

Faiblesses (CWE)

CWE-494

References

https://community.notepad-plus-plus.org/topic/27298/notepad-v8-8-9-vulnerability-fix(disclosure@vulncheck.com)

https://github.com/notepad-plus-plus/notepad-plus-plus/commit/bcf2aa68ef414338d717e20e059459570ed6c5ab(disclosure@vulncheck.com)

https://github.com/notepad-plus-plus/wingup/commit/ce0037549995ed0396cc363544d14b3425614fdb(disclosure@vulncheck.com)

https://notepad-plus-plus.org/news/hijacked-incident-info-update/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/notepad-plus-plus-wingup-updater-lacks-update-integrity-verification(disclosure@vulncheck.com)

https://notepad-plus-plus.org//news//clarification-security-incident/(134c704f-9b21-4f2e-91b3-4a467353bcc0)

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-15556(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlations IOC

Aucune correlation enregistree

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