Vulnerability-Lookup

GHSA-RR8J-HJQF-G6CV

Vulnerability from github – Published: 2026-08-07 06:30 – Updated: 2026-08-09 06:31

Details

A flaw has been found in Jiangmin Antivirus 21. Impacted is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.1 (High)


                  
                    CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

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{
  "affected": [],
  "aliases": [
    "CVE-2026-19193"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-266"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-07T05:17:01Z",
    "severity": "HIGH"
  },
  "details": "A flaw has been found in Jiangmin Antivirus 21. Impacted is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
  "id": "GHSA-rr8j-hjqf-g6cv",
  "modified": "2026-08-09T06:31:34Z",
  "published": "2026-08-07T06:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19193"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patrickt2017/research/issues/1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patrickt2017/CVE-2026-19193-PoC"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/cve/CVE-2026-19193"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/submit/864551"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386711"
    },
    {
      "type": "WEB",
      "url": "https://vuldb.com/vuln/386711/cti"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-19193 (GCVE-0-2026-19193)

Vulnerability from cvelistv5 – Published: 2026-08-07 04:15 – Updated: 2026-08-09 05:59

Title

Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control

Summary

Severity

8.5 (High)


                        
                          CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

7.8 (High)


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

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

CWE-284 - Improper Access Controls
CWE-266 - Incorrect Privilege Assignment

Assigner

VulDB

References

6 references

URL	Tags
https://vuldb.com/vuln/386711	vdb-entrytechnical-description
https://vuldb.com/vuln/386711/cti	signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19193	third-party-advisory
https://vuldb.com/submit/864551	third-party-advisory
https://github.com/patrickt2017/CVE-2026-19193-PoC	exploit
https://github.com/patrickt2017/research/issues/1	broken-linkexploitissue-tracking

Impacted products

1 product

Vendor	Product	Version
Jiangmin	Antivirus	Affected: 21 cpe:2.3:a:jiangmin:antivirus::::::::

Credits

patrickt2017 (VulDB User) patrickt2017 (VulDB User) VulDB CNA Team

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-19193",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-07T14:42:58.203375Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-08-07T17:08:25.744Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:jiangmin:antivirus:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Minifilter Port"
          ],
          "product": "Antivirus",
          "vendor": "Jiangmin",
          "versions": [
            {
              "status": "affected",
              "version": "21"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "patrickt2017 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "analyst",
          "value": "patrickt2017 (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A flaw has been found in Jiangmin Antivirus 21. Impacted is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. Executing a manipulation can lead to improper access controls. The attack needs to be launched locally. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.5,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.8,
            "vectorString": "AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR",
            "version": "2.0"
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        {
          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-09T05:59:22.635Z",
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        },
        {
          "name": "VDB-386711 | CTI Indicators (IOB, IOC, TTP, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/386711/cti"
        },
        {
          "name": "CVE-2026-19193 | CVE Analysis and Report",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/cve/CVE-2026-19193"
        },
        {
          "name": "Submit #864551 | Jiangmin Jiangmin Antivirus V21 Exposed Minifilter Port with Insufficient Access Control",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/864551"
        },
        {
          "tags": [
            "exploit"
          ],
          "url": "https://github.com/patrickt2017/CVE-2026-19193-PoC"
        },
        {
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            "issue-tracking"
          ],
          "url": "https://github.com/patrickt2017/research/issues/1"
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          "value": "Advisory disclosed"
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          "lang": "en",
          "time": "2026-08-06T02:00:00.000Z",
          "value": "VulDB entry created"
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        {
          "lang": "en",
          "time": "2026-08-09T08:01:20.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control",
      "x_generator": [
        "VulDB PVTS v202608"
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  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-19193",
    "datePublished": "2026-08-07T04:15:10.378Z",
    "dateReserved": "2026-08-06T20:06:03.663Z",
    "dateUpdated": "2026-08-09T05:59:22.635Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

GHSA-RR8J-HJQF-G6CV

CVE-2026-19193 (GCVE-0-2026-19193)

Tags

Sightings

Nomenclature