CVE-2026-81738

2.3 lowEPSS 0.3%

Low (2.3). EPSS 0.3% chance of exploitation in the next 30 days.

OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries

Severity

CVSS 4.0

2.3 low

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWEs: CWE-121, CWE-193, CWE-787
Published: 2026-09-07
Modified: 2026-09-08
Record from: the NVD, synced 2026-10-19

References

https://community.openvpn.net/Security%20Announcements/CVE-2026-81738

Check your stack JSON