What’s Vulnerable › Vulnerabilities

CVE-2026-19193: Jiangmin Antivirus Minifilter Port kvcore.sys MessageNotifyCallback access control

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-07 · updated 2026-10-23
• Weakness: CWE-266

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.

Affected products

• JiangMin Antivirus: 21

References

• https://github.com/patrickt2017/CVE-2026-19193-PoC
• https://vuldb.com/cve/CVE-2026-19193
• https://vuldb.com/submit/864551
• https://vuldb.com/vuln/386711
• https://vuldb.com/vuln/386711/cti

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