CVE-2026-84393

highCVSS 8.1covered by 3 sourcesfirst seen 2026-09-08

Ein Angreifer kann mehrere Schwachstellen in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um einen Denial of Service Angriff durchzuführen und Informationen offenzulegen.

⚡ Watch CVE-2026-84393

Get an email if CVE-2026-84393 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Advisory coverage (3)

medium[NEU] [mittel] Fortinet FortiProxy und FortiOS: Mehrere Schwachstellencert-bund · 2026-09-09
unknownFortinet Products Multiple Vulnerabilitieshkcert · 2026-09-09
highCVE-2026-84393: A improper validation of certificate with host mismatch vulnerability in Fortinet FortiOS 7.6.…nvd · 2026-09-08

External references

NVD record for CVE-2026-84393

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-84393 status](https://www.csirts.com/badge/CVE-2026-84393)](https://www.csirts.com/cve/CVE-2026-84393)