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 v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-174

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-08 17:18

Updated : 2026-09-10 04:18

NVD link : CVE-2026-84393

Mitre link : CVE-2026-84393

CVE.ORG link : CVE-2026-84393

JSON object : View

Products Affected

No product.

CWE

CWE-297

Improper Validation of Certificate with Host Mismatch

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