Privilege escalation in Jiangmin Antivirus

CVE-2026-19193

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.

EPSS: 0.002 (6.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-19193?
CVE-2026-19193 is a high-severity vulnerability in Jiangmin Antivirus, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-08-07.
How severe is CVE-2026-19193?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2026-19193 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.