---
id: CVE-2026-82325
title: >-
  A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version
  2.5.0 through 2.8.6 allows local authenticated users to cause a system crash
  via crafted control messages
summary: >-
  A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version
  2.5.0 through 2.8.6 allows local authenticated users to cause a system crash
  via crafted control messages
severity: medium
cvss: 6.8
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-415
  - CWE-416
vendor: OpenVPN
product: ovpn-dco-win
affected:
  - ovpn-dco-win >= 2.5.0 <= 2.8.6
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-2026-82325'
references:
  - url: 'https://community.openvpn.net/Security%20Announcements/CVE-2026-82325'
    label: security@openvpn.net
tags:
  - nvd
  - cve.org
epss: 0.00142
epssPercentile: 0.02857
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-08T15:08:26.602968Z'
cvssSource: cna
ingestedAt: '2026-09-08T15:33:26.988Z'
---

## Overview

A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages

## Remediation

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