---
id: CVE-2026-84226
title: >-
  OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows
  allows local authenticated users to perform a binary planting attack during
  network configuration steps
summary: >-
  OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows
  allows local authenticated users to perform a binary planting attack during
  network configuration steps
severity: high
cvss: 8.5
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-426
vendor: OpenVPN
product: OpenVPN
affected:
  - OpenVPN >= 2.5.0 <= 2.6.22
  - OpenVPN >= 2.7_alpha1 <= 2.7.6
published: '2026-09-07'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:07:52.113'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84226'
references:
  - url: 'https://community.openvpn.net/Security%20Announcements/CVE-2026-84226'
    label: security@openvpn.net
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-84226.json
  - url: 'https://access.redhat.com/security/cve/CVE-2026-84226'
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-84226'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-84226'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
epss: 0.00142
epssPercentile: 0.02857
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T14:59:44.196975Z'
cvssSource: cna
scores:
  cna: 8.5
  vendor: 7.8
ingestedAt: '2026-09-08T15:33:26.975Z'
---

## Overview

OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

## Vendor advisories

- **Red Hat VEX** · updated 2026-09-07 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-84226.json)