---
id: CVE-2026-115402
title: "OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a\_race condition in the TCP connect path."
summary: "OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a\_race condition in the TCP connect path."
severity: medium
cvss: 5.7
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-362
  - CWE-672
vendor: OpenVPN
product: ovpn-dco-win
affected:
  - ovpn-dco-win >= 0.6.5 <= 2.8.13
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T15:00:23.951Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115402'
references:
  - url: 'https://community.openvpn.net/Security%20Announcements/CVE-2026-115402'
tags:
  - cve.org
ingestedAt: '2026-10-28T16:13:50.591Z'
---

## Overview

OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a race condition in the TCP connect path.

## Affected

- `ovpn-dco-win >= 0.6.5 <= 2.8.13`

## Remediation

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