cvedb.io
CVE-2026-6539
MEDIUM · CVSS 4.4
EPSS exploitation probability: 0%
Published 2026-04-30T21:16:33.820 · Last modified 2026-06-17T11:00:57.383

Summary

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.

Affected products

notepad-plus-plus — notepad\+\+

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.