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>

CVSS 3.1

8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 19% of CVEs (scores of 2026-10-25)

CWE

CWE-297

Published

2026-09-08

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

References

• https://fortiguard.fortinet.com/psirt/FG-IR-26-174
• https://cert-portal.siemens.com/productcert/html/ssa-127084.html

Check your stackJSON