Denial of Service Vulnerability in OpenVPN on Windows
CVE-2026-82312

1.8LOW

Key Information:

Vendor

Openvpn
Status
Openvpn
Vendor
CVE Published:
7 September 2026

What is CVE-2026-82312?

A vulnerability exists in OpenVPN versions 2.0.0 to 2.6.22 and 2.7_alpha1 to 2.7.6 on Windows that allows local authenticated users to trigger a denial of service. This can occur through the manipulation of a NULL DACL on named IPC (Inter-Process Communication) objects, potentially causing disruptions in service and impacting system stability.

Affected Version(s)

OpenVPN Windows 2.0.0 <= 2.6.22

OpenVPN Windows 2.7_alpha1 <= 2.7.6

References

https://community.openvpn.net/Security%20Announcements/CV...
vendor-advisory

CVSS V4

Score:
1.8
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.