NULL pointer dereference in Fortinet Fortios

CVE-2026-84392

A NULL Pointer Dereference vulnerability [CWE-476] vulnerability in Fortinet FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiPAM 1.9.0, FortiPAM 1.8 all versions, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.6.0 through 7.6.6, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an authenticated attacker to crash the httpsd daemon via crafted HTTP requests.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.011 (64.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-84392: rose from 0.005 to 0.011.

EPSS over last 30 days · oldest: 0.005 · newest: 0.011 · change: +0.006

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-84392?
CVE-2026-84392 is a low-severity vulnerability in Fortinet Fortios, classified under NULL Pointer Dereference. CVSS score: 2.7/10. Published 2026-09-08.
How severe is CVE-2026-84392?
Low severity. CVSS v3 base score is 2.7 out of 10.