Privilege escalation in Jiangmin Antivirus
CVE-2026-19193
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (5.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Jiangmin Antivirus — versions 21
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/vuln/386711 (technical-description, vdb-entry)
- vuldb.com/vuln/386711/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19193 (third-party-advisory)
- vuldb.com/submit/864551 (third-party-advisory)
- github.com/patrickt2017/research/issues/1 (issue-tracking, exploit, broken-link)
- github.com/patrickt2017/CVE-2026-19193-PoC (exploit)
Frequently asked questions
- What is CVE-2026-19193?
- CVE-2026-19193 is a high-severity vulnerability in Jiangmin Antivirus, classified under Incorrect Privilege Assignment. CVSS score: 7.8/10. Published 2026-08-07.
- How severe is CVE-2026-19193?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2026-19193 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.