CVE-2026-84391

mediumpriority · track · 0EPSS 0.004 · 35 %ileNL
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.41% (35th) EPSS
CVSS 6.5 · medium
Is it mine?
18 products
Check your exposure
Who says so?
1 sources
ncsc_nl

EPSS · scored 2026-10-26

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>

01

cvss

Technical severity, 0–10. One row per scoring source.

6.5
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@fortinet.comexploitability 2.8 · impact 3.6
v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · NCSC-NL NL
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-457USCWE-457US
03

affected products (18)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0355Kwetsbaarheden verholpen in Fortinet Forti-productenNL2026-09-09csaf · ncsc_nlNL

    Fortinet heeft kwetsbaarheden verholpen in FortiAnalyzer, FortiOS, FortiPAM, FortiProxy, FortiSandbox, FortiManager, FortiManager Cloud, FortiMonitorOnSight, FortiClient Windows, FortiSIEM en FortiSOAR.

05

sources

Which sources assert this record, and when.

ncsc_nlNVDCVE.orgMITRE
published 2026-09-08modified 2026-09-08
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

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