CVE-2026-84391

Published Sep 8, 2026 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed
Description
A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via SNMP GETBULK requests.

Remediation

Vendor Solution

Upgrade to FortiAnalyzer version 8.0.0 or above Upgrade to FortiAnalyzer version 7.6.7 or above

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Uninitialized Variable Leading to Denial of Service in FortiAnalyzer 7.6.3-7.6.6
Type Values Removed Values Added
Description 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> A use of uninitialized variable vulnerability in Fortinet FortiAnalyzer 7.6.3 through 7.6.6 may allow attacker to denial of service via SNMP GETBULK requests.
Type Values Removed Values Added
Title Uninitialized Variable Leading to Denial of Service in FortiAnalyzer 7.6.3-7.6.6
Type Values Removed Values Added
Description 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>
First Time appeared Fortinet
Fortinet fortianalyzer
Weaknesses CWE-457
CPEs cpe:2.3:o:fortinet:fortianalyzer:7.6.3:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.4:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.5:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortianalyzer:7.6.6:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortianalyzer
References
Metrics cvssV3_1

{'score': 5.9, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Nov 6, 2026, 3:42 PM
Reserved
Sep 1, 2026, 4:36 PM
Status
Awaiting Analysis
Published
Sep 8, 2026, 5:18 PM
Modified
Nov 6, 2026, 4:18 PM