CVE-2026-6539

MEDIUM

4.4

Description

Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents.

Details CVE

Score CVSS v3.14.4

SeveriteMEDIUM

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurREQUIRED

Publie4/30/2026

Derniere modification4/30/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-134

References

https://notepad-plus-plus.org/news/v894-released/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/notepad-format-string-injection-via-nativelang-xml(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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