CVE-2022-43516: Microsoft Windows Firewall

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

A Firewall Rule which allows all incoming TCP connections to all programs from any source and to all ports is created in Windows Firewall after Zabbix agent installation (MSI)

Affected products

• Microsoft Windows Firewall: affected versions not specified
• Zabbix Zabbix: from 6.0.10, before 6.0.12 (fixed in 6.0.12); from 6.2.0, before 6.2.6 (fixed in 6.2.6); version 6.0.12 only; version 6.2.6 only

Published 2022-12-05. Last modified 2026-06-17.