CVE-2026-82312 PUBLISHED

Assigner: OpenVPN
Reserved: 28.08.2026 Published: 07.09.2026 Updated: 07.09.2026

OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:H
CVSS Score: 1.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	Low	Availability	High
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	OpenVPN
Product	OpenVPN
Versions	Default: unaffected affected from 2.0.0 to 2.6.22 (incl.) affected from 2.7_alpha1 to 2.7.6 (incl.)

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-82312

Problem Types

CWE-732 Incorrect Permission Assignment for Critical Resource CWE
CWE-412 Unrestricted externally accessible lock CWE