Jiangmin Antivirus 21 Minifilter Port kvcore.sys MessageNotifyCallback access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k1.24

Summaryinfo

A vulnerability has been found in Jiangmin Antivirus 21 and classified as critical. The affected element is the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. The manipulation leads to access control. This vulnerability is documented as CVE-2026-19193. The attack needs to be performed locally. Additionally, an exploit exists. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Jiangmin Antivirus 21. It has been rated as critical. This issue affects the function MessageNotifyCallback in the library kvcore.sys of the component Minifilter Port. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-19193. The exploitation is known to be easy. Attacking locally is a requirement. Technical details as well as a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/07/2026). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-54359). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.8
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/06/2026 Advisory disclosed
08/06/2026 +0 days VulDB entry created
08/07/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-19193 (🔒)
GCVE (CVE): GCVE-0-2026-19193
GCVE (VulDB): GCVE-100-386711
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/06/2026 22:11
Updated: 08/07/2026 07:27
Changes: 08/06/2026 22:11 (60), 08/07/2026 07:27 (1)
Complete: 🔍
Submitter: patrickt2017
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #864551: Jiangmin Jiangmin Antivirus V21 Exposed Minifilter Port with Insufficient Access Control (by patrickt2017)

Be aware that VulDB is the high quality source for vulnerability data.

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