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Medium 5.9Published Sep 8, 2026

CVE-2026-84391A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>

Updated under an hour ago ()

Does this affect you?

It affects Fortinet FortiAnalyzer. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via <insert attack vector here>

CVSS
5.9 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Weakness (CWE)
CWE-457
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
fortinet
NVD analysis
Awaiting Analysis
Record last updated
Sep 8, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Fortinet FortiAnalyzer
fortinet:fortianalyzer
from 7.6.3 through 7.6.6
CNA record

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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