CVE-2026-82325

MEDIUM CVSS 4.0: 6.8
Updated Sep 07, 2026
Openvpn
Parameter Value
CVSS 6.8 (MEDIUM)
Affected Versions 2.5.0 — 2.8.6
Type CWE-416 (Use After Free), CWE-415 (Double Free)
Vendor Openvpn
Public PoC No

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

Attack Parameters

Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v4.0