CVE-2023-6401

highpriority · track · 41EPSS 0.003 · 26 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.33% (26th) EPSS

CVSS 7.8 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.8

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v2.04.3mediumAV:L/AC:L/Au:S/C:P/I:P/A:Psecondary · cna@vuldb.comexploitability 3.1 · impact 6.4

v3.15.3mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.15.3mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:Lsecondary · cna@vuldb.comexploitability 1.8 · impact 3.4

v3.17.4highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-427US

exploits (1)

Public proof-of-concept and weaponised exploit code.

mekitoci/CVE-2023-6401CVE-2023-6401 is a DLL hijacking vulnerability that allows attackers to execute arbitrary code by placing a malicious `dbghelp.dll` file in the application directory. This project demonstrates the vulnerability and provides a reproducible PoC.PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

Open Source Notepad++ <= 8.1all versionscert_bundDEcpe:/a:notepad_plus_plus:notepad%2B%2B:8.1
n/a Notepad++≤ 8.0enisa_euvdEU
n/a Notepad++≤ 8.1enisa_euvdEU
notepad-plus-plus notepad++≤ 8.1nvdUScpe:2.3:a:notepad-plus-plus:notepad\+\+:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-3040Notepad++: Mehrere SchwachstellenDeutsch2023-11-30csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in Notepad++ ausnutzen, um seine Privilegien zu erhöhen oder um einen unspezifischen Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2023-11-30modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

https://vuldb.com/?ctiid.246421 cnnvd
https://vuldb.com/?id.246421 cnnvd
https://vuldb.com/?ctiid.246421 enisa_euvd
https://vuldb.com/?id.246421 enisa_euvd
https://vuldb.com/?ctiid.246421Third Party Advisorynvd
https://vuldb.com/?id.246421Third Party Advisorynvd

scry

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