CVE-2026-84386 (GCVE-0-2026-84386)
Vulnerability from cvelistv5 – Published: 2026-09-08 16:41 – Updated: 2026-09-08 17:42
VLAI
EPSS
VEX
Summary
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 <insert attack vector here>
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-08 17:42 UTC
CWE
- CWE-283 - Improper access control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Fortinet | FortiClientWindows |
Affected:
7.4.0 , ≤ 7.4.7
(semver)
Affected: 7.2.0 , ≤ 7.2.15 (semver) cpe:2.3:a:fortinet:forticlientwindows:7.4.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.4.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.15:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.14:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.13:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.12:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.11:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.10:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientwindows:7.2.0:*:*:*:*:*:*:* |
{
"containers": {
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{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-84386",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-08T17:42:21.974285Z",
"version": "2.0.3"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
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"cpe:2.3:a:fortinet:forticlientwindows:7.4.7:*:*:*:*:*:*:*",
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"cpe:2.3:a:fortinet:forticlientwindows:7.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.15:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.14:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.13:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.12:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.11:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientwindows:7.2.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiClientWindows",
"vendor": "Fortinet",
"versions": [
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"lessThanOrEqual": "7.4.7",
"status": "affected",
"version": "7.4.0",
"versionType": "semver"
},
{
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"status": "affected",
"version": "7.2.0",
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"descriptions": [
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"value": "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 \u003cinsert attack vector here\u003e"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "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",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-283",
"description": "Improper access control",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-08T16:41:43.380Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-165",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-165"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to FortiClientWindows version 8.0.0 or above\nUpgrade to FortiClientWindows version 7.4.8 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2026-84386",
"datePublished": "2026-09-08T16:41:43.380Z",
"dateReserved": "2026-09-01T16:36:06.039Z",
"dateUpdated": "2026-09-08T17:42:36.815Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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