CVE-2018-6209: Maxpcsecure Anti Virus

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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 0x220019.

Affected products

• Maxpcsecure Anti Virus: version 19.0.3.019 only

Published 2018-01-25. Last modified 2026-06-17.