CVE-2026-105390
Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and…
- Risk score
- 42/100
- CVSS
- 6.9 v4.0
- Exploit chance (30 days)
- 0.1%
- Published
- 13 Oct 2026
Open in the live forecast Today's forecast
What to know
- 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.
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 6.9 medium
References
Original 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.
Last activity 13 Oct 2026. Patch Forecast updates every hour.