CVE-2026-19193

Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control

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

Jiangmin · Antivirus

CVSS v4.0 VULDB

7.1 HIGHCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 VULDB

6.8 MEDIUMAV:L/AC:L/Au:S/C:C/I:C/A:C

EPSS

0.16% chance of exploitation in the next 30 days, 5th percentile

Published

2026-08-07

Updated

2026-08-11

Proof-of-concept exploits (1)

• patrickt2017/CVE-2026-19193-PoC1★ · 2026-08-09

References

• CVE Record
• NVD entry

Related

• CVE-2026-19195