CVE-2023-6401

Name: CVE-2023-6401
Creator: NVD / NIST
Published: 2023-11-30T15:15:09.507+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2023-6401 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability classified as problematic was found in NotePad++ up to 8.1. Affected by this vulnerability is an unknown functionality of the file dbghelp.exe. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A vulnerability classified as problematic was found in NotePad++ up to 8.1. Affected by this vulnerability is an unknown functionality of the file dbghelp.exe. The manipulation leads to uncontrolled search path. An attack has to be approached locally. The identifier VDB-246421 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.33%

24.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Notepad-Plus-Plus	Notepad\+\+	<= 8.1

References

https://vuldb.com/?ctiid.246421Third Party Advisory
https://vuldb.com/?id.246421Third Party Advisory
https://vuldb.com/?ctiid.246421Third Party Advisory
https://vuldb.com/?id.246421Third Party Advisory

Timeline

Published: Nov 30, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6401?

How severe is CVE-2023-6401?

CVE-2023-6401 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6401?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-6401?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST