4.7Medium

CVE-2026-84386

Fortinet FortiClientWindows Published: 2026-09-08 19:41 (2 months ago)

Description

A unverified ownership vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.7, FortiClientWindows 7.2 all versions may allow attacker to improper access control via via an exposed minifilter communication port.

Weakness (CWE): CWE-283

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Fortinet	FortiClientWindows	7.4.0 – ≤ 7.4.7, 7.2.0 – ≤ 7.2.15

References and patches

https://fortiguard.fortinet.com/psirt/FG-IR-26-165

CVSS score

4.7Medium

Source: fortinet · CVSS 3.1

Attack vector: Local
Attack complexity: Low
Privileges required: High
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C

All scores (2)

cna	CVSS 3.1	4.7Medium
psirt@fortinet.com	CVSS 3.1	5.1Medium

EPSS (chance of exploitation in 30 days)

0.14%

higher than 4% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: partial

Timeline

ID reserved2026-09-01
Published2026-09-08 19:41
Reached IP-DB2026-10-24 23:44
Last updated2026-10-05 19:50

Assigned by (CNA): fortinet
NVD status: Awaiting Analysis

View at source: CVE.org · NVD

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Description

Affected products and versions

References and patches

Recent CVEs in the same product — Fortinet (all products)