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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Jiangmin | Antivirus | 21 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
patrickt2017/CVE-2026-19193-PoC ★ 1 · Aug 9, 2026
CVE-2026-19193 Proof of Concept
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- VDB-386711 | Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control vdb-entry technical-description
- VDB-386711 | CTI Indicators (IOB, IOC, TTP, IOA) signature permissions-required
- CVE-2026-19193 | CVE Analysis and Report third-party-advisory
- Submit #864551 | Jiangmin Jiangmin Antivirus V21 Exposed Minifilter Port with Insufficient Access Control third-party-advisory
- https://github.com/patrickt2017/CVE-2026-19193-PoC exploit