Vulnerability · Published Oct 28, 2026 · Assigned by OpenVPN
CVE-2026-115402
Medium 5.7
In plain English
A medium-severity race condition in ovpn-dco-win from OpenVPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).
Severity (CVSS 4.0)5.7Medium
Exploit odds (30 days)0.1%top 98.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a race condition in the TCP connect path.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenVPN | ovpn-dco-win | 0.6.5 – through 2.8.13 |
Weakness: CWE-362, CWE-672 · Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N