CVE-2026-84386 (GCVE-0-2026-84386)
Vulnerability from cvelistv5
Published
2026-09-08 16:41
Modified
2026-10-05 16:50
Severity ?
5.1 (Medium) - 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
CWE
  • CWE-283 - Improper access control
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 via an exposed minifilter communication port.
References
Impacted products
Vendor Product Version
Fortinet FortiClientWindows Version: 7.4.0   ≤ 7.4.7
Version: 7.2.0   ≤ 7.2.15
    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:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "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"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-08T17:42:36.815Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "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:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiClientWindows",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.4.7",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.15",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "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 via an exposed minifilter communication port."
        }
      ],
      "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": "2026-10-05T16:50:54.991Z",
        "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": "2026-10-05T16:50:54.991Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-84386\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-08T17:42:21.974285Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-08T17:42:25.492Z\"}}], \"cna\": {\"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"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\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"cpes\": [\"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:*:*:*:*:*:*:*\"], \"vendor\": \"Fortinet\", \"product\": \"FortiClientWindows\", \"versions\": [{\"status\": \"affected\", \"version\": \"7.4.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.4.7\"}, {\"status\": \"affected\", \"version\": \"7.2.0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"7.2.15\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to FortiClientWindows version 8.0.0 or above\\nUpgrade to FortiClientWindows version 7.4.8 or above\"}], \"references\": [{\"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-165\", \"name\": \"https://fortiguard.fortinet.com/psirt/FG-IR-26-165\"}], \"descriptions\": [{\"lang\": \"en\", \"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 via an exposed minifilter communication port.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-283\", \"description\": \"Improper access control\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2026-10-05T16:50:54.991Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-84386\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-10-05T16:50:54.991Z\", \"dateReserved\": \"2026-09-01T16:36:06.039Z\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2026-09-08T16:41:43.380Z\", \"assignerShortName\": \"fortinet\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.