PoC Index

CVE-2026-19193

HIGH 7.8EPSS 0.2%

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.

CVSS v4.0
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
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
6.8 MEDIUMAV:L/AC:L/Au:S/C:C/I:C/A:C
EPSS
0.17% chance of exploitation in the next 30 days, 6th percentile
Published
2026-08-07
Updated
2026-08-11

Proof-of-concept exploits (1)

References

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