CVE-2026-84393

A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.1 through 7.6.6, FortiProxy 7.6.2 through 7.6.6 may allow attacker to information disclosure via <insert attack vector here>

  • Published Sep 8, 2026
  • CVSS 8.1 high
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-84393 at the National Vulnerability Database