CVE-2026-82325

Use-After-Free in OpenVPN Windows Driver Causes Local Denial of Service

Published Sep 7, 2026 CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Use-After-Free in OpenVPN Windows Driver Causes Local Denial of Service
Type Values Removed Values Added
First Time appeared Openvpn
Openvpn ovpn-dco-win
Vendors & Products Openvpn
Openvpn ovpn-dco-win
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenVPN
Published
Updated
Sep 8, 2026, 3:08 PM
Reserved
Aug 28, 2026, 1:49 PM
Status
Awaiting Analysis
Published
Sep 7, 2026, 11:17 AM
Modified
Sep 8, 2026, 7:07 PM