CVE-2026-19193CWE-266CWE-284broken-access-control

CVE-2026-19193

High · published August 7, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
5.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00162 · 5.1th percentile
Weaknesses
CWE-266 · Incorrect Privilege Assignment; CWE-284 · Improper Access Control
Published
2026-08-07T09:17Z
References (5)
https://github.com/patrickt2017/CVE-2026-19193-PoC · [email protected]https://vuldb.com/cve/CVE-2026-19193 · [email protected]https://vuldb.com/submit/864551 · [email protected]https://vuldb.com/vuln/386711 · [email protected]https://vuldb.com/vuln/386711/cti · [email protected]
EPSS history
Timeline
  • 07 AUG 04:15Z
    Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control
    cvelistv5