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VULNERABILITIES

CVE-2026-46710 Details

Description

Notepad++ is a free and open-source source code editor. From 8.9.4 until 8.9.6, Notepad++ contains a local privilege escalation vulnerability in the installer. During installation, the installer invokes powershell.exe without using an absolute path after setting the working directory to the installation contextMenu directory. If an attacker can pre-place a malicious powershell.exe in a user-writable custom installation directory, and a privileged user later runs the installer and selects that directory, the attacker-controlled executable is launched with the elevated privileges of the installer. This vulnerability is fixed in 8.9.6.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/notepad-plus-plus/notepad-plus-plus/commit/1d4aabe2102d982667ead2dd974bee5e0b1f2d9c [email protected]Patch
https://github.com/notepad-plus-plus/notepad-plus-plus/security/advisories/GHSA-6f8f-vmfc-r8c5 [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-426Untrusted Search Path[email protected]

Affected Products

ProductVersions
notepad-plus-plus notepad++
>= 8.9.4, < 8.9.6

CPE

  • cpe:2.3:a:notepad-plus-plus:notepad++:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-46710
NVD Published Date:
Jun 26, 2026
NVD Last Modified:
Jun 29, 2026
Source:
[email protected]
CVE-2026-46710 Details - Not Deferred