No. Broadcom has released SEP 14.3 RU9 and is actively pushing customers to Symantec Endpoint Security Complete (SESC) , the cloud-native version. Build 14.3.11213.9000 reached End of Standard Support in April 2023. Unpatched installations are vulnerable to CVE-2023-23415 (an ICMP remote code execution flaw in the firewall driver) and CVE-2024-26327 (a quarantine bypass).
In controlled testing (AV-Comparatives Real-World Protection Test, Q1 2021), SEP 14.3.11213.9000 scored: Symantec Endpoint Protection 14.3.11213.9000 Te...
The "Te..." in your query might also point to "Test exemptions." This build notably failed two ATT&CK technique detections: T1055 (Process Injection) and T1218 (Signed Binary Proxy Execution) when using msiexec.exe. Symantec’s response was to add manual exclusions, not patch the engine. The "Te
This document describes the fixes, enhancements, and known issues for Symantec Endpoint Protection (SEP) 14.3 Release Update 1 Maintenance Patch 1 (14.3 RU1 MP1). This build is a cumulative update that includes all previous fixes for the 14.3 branch. SEP 14.3.11213.9000 scored: