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

Metrics

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00099.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Openvpn Subscribe
Ovpn-dco-win Subscribe

No data.

No data.

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Vendors Products
Openvpn Subscribe
Ovpn-dco-win Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://community.openvpn.net/Security%20Announcements/CVE-2026-82325 cve-icon cve-icon
History

Tue, 08 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 07 Sep 2026 14:15:00 +0000

Type Values Removed Values Added
Title Use-After-Free in OpenVPN Windows Driver Causes Local Denial of Service

Mon, 07 Sep 2026 13:45:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn ovpn-dco-win
Vendors & Products Openvpn
Openvpn ovpn-dco-win

Mon, 07 Sep 2026 11:15:00 +0000

Type Values Removed Values Added
Description 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
Weaknesses CWE-415
CWE-416
References
Metrics cvssV4_0

{'score': 6.8, 'vector': '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-09-08T15:08:33.677Z

Reserved: 2026-08-28T13:49:51.026Z

Link: CVE-2026-82325

cve-icon Vulnrichment

Updated: 2026-09-08T15:08:29.867Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-07T11:17:37.363

Modified: 2026-09-08T19:07:52.113

Link: CVE-2026-82325

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-07T14:00:17Z

Weaknesses