CVE-2026-19193

HIGH 7.8

Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control

CVSS Score

7.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-284 CWE-266
Vendor	jiangmin
Product	antivirus
Published	Aug 7, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Jiangmin / Antivirus

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/386711 vuldb.com: https://vuldb.com/vuln/386711/cti vuldb.com: https://vuldb.com/cve/CVE-2026-19193 vuldb.com: https://vuldb.com/submit/864551 github.com: https://github.com/patrickt2017/research/issues/1

Credits

🔍 patrickt2017 (VulDB User) VulDB CNA Team