CVE-2018-5958: Zillya Zillya! Antivirus

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In Zillya! Antivirus 3.0.2230.0, the driver file (zef.sys) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9C402424.

Affected products

• Zillya Zillya! Antivirus: version 3.0.2230.0 only

Published 2018-01-21. Last modified 2026-06-17.