CVE-2026-81738

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

  • Published Sep 7, 2026
  • CVSS 2.3 low
  • 0.3% chance of exploitation in the next 30 days (EPSS)

Affected software

In the news

CVE-2026-81738 at the National Vulnerability Database