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CVE-2026-105390

MEDIUM
6.9
CVSS Score
Published: October 13, 2026 at 10:44 PM UTC
Updated: October 15, 2026 at 08:38 PM UTC
1 product affected across 1 vendorOvpn Dco Win

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: cverecord
https://community.openvpn.net/Security%20Announcements/CVE-2026-105390

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMOpenVPN
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-413CWE-833

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