Detections
Analytics

Notepad++ 8.9.4 / 8.9.5 < 8.9.6 Installer Vulnerability

high Nessus Plugin ID 318686

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Synopsis

A text editor on the remote Windows host is affected by an installer vulnerability.

Description

The version of Notepad++ installed on the remote host is 8.9.4 or 8.9.5. It is, therefore, affected by an installer vulnerability:

 - A vulnerability exists in the Notepad++ installer affecting versions 8.9.4 and 8.9.5 that could allow an attacker to compromise the installation process. (CVE-2026-46710)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to Notepad++ version 8.9.6 or later.

See Also

https://notepad-plus-plus.org/news/v896-released/

http://www.nessus.org/u?6fb7d4bf

http://www.nessus.org/u?d70480f7

Plugin Details

Severity: High

ID: 318686

File Name: notepad_plus_plus_8_9_6.nasl

Version: 1.3

Type: Local

Agent: windows

Family: Windows

Published: 6/4/2026

Updated: 8/27/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.03

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-46710

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.5

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/a:notepad-plus-plus:notepad%5c%2b%5c%2b

Required KB Items: installed_sw/Notepad++, SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 5/21/2026

Vulnerability Publication Date: 5/21/2026

Reference Information

CVE: CVE-2026-46710