CVE-2026-105390CWE-413CWE-833

CVE-2026-105390

published October 14, 2026

CVSS
6.9
EPSS
0%
Percentile
1.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
6.9 · NONE
CVSS v4.0
6.9 · CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00113 · 1.4th percentile
Weaknesses
CWE-413 · Improper Resource Locking; CWE-833 · Deadlock
Published
2026-10-14T03:17Z
References (1)
https://community.openvpn.net/Security%20Announcements/CVE-2026-105390 · [email protected]
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 22:44Z
    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…
    cvelistv5
  • 13 OCT 22:44Z
    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…
    cvelistv5