CVE-2026-19193 Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control
Local attackers can exploit improper access controls in the Jiangmin Antivirus kernel driver to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19193?
CVE-2026-19193 is a high-severity missing authorization vulnerability in Jiangmin Antivirus, published on 7 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2026-19193?
How do I fix CVE-2026-19193?
No fix has been published for CVE-2026-19193 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-19193 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19193 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-rr8j-hjqf-g6cv.