Notepad++ 8.9.4 / 8.9.5 < 8.9.6 Installer Vulnerability

medium 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.

Plugin Details

Severity: Medium

ID: 318686

File Name: notepad_plus_plus_8_9_6.nasl

Version: 1.2

Type: Local

Agent: windows

Family: Windows

Published: 6/4/2026

Updated: 6/8/2026

Configuration: Enable thorough checks (optional)

Supported Sensors: Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS Score Source: CVE-2026-46710

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

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

Detections

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