CVE-2019-3586: McAfee Endpoint Security

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Protection Mechanism Failure in the Firewall in McAfee Endpoint Security (ENS) 10.x prior to 10.6.1 May 2019 update allows context-dependent attackers to circumvent ENS protection where GTI flagged IP addresses are not blocked by the ENS Firewall via specially crafted malicious sites where the GTI reputation is carefully manipulated and does not correctly trigger the ENS Firewall to block the connection.

Affected products

• McAfee Endpoint Security: from 10.0.0, up to and including 10.6.1; version 10.6.1 only

Published 2019-05-15. Last modified 2026-06-17.