CVE-2026-19193
Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control
- State
- Published
- Severity
- 8.5 High
- Published
- Aug 7, 2026
- Updated
- Aug 11, 2026
- Reserved
- Aug 6, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 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 | VulDB |
| 3.1 | 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 | VulDB |
| 3.0 | 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 | VulDB |
| 2.0 | 6.8 Medium | AV:L/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
AntivirusJiangmin |
|
References
- VDB-386711 | Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access controlvdb-entrytechnical-description
- VDB-386711 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- CVE-2026-19193 | CVE Analysis and Reportthird-party-advisory
- Submit #864551 | Jiangmin Jiangmin Antivirus V21 Exposed Minifilter Port with Insufficient Access Controlthird-party-advisory
- https://github.com/patrickt2017/CVE-2026-19193-PoCexploit
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