Symantec Endpoint Protection 14.3.12154.10000 P... ((new)) Jun 2026

: A site-level default uninstallation and service termination password is required during installation. This mitigates the risk of insider threats or malware attempting to stop the client.

: Tracks malicious usage of dual-use command tools like PowerShell and WMI scripts.

Symantec Endpoint Protection 14.3.12154.10000 represents a mature, feature-rich endpoint security solution that delivers comprehensive protection for modern enterprise environments. With its focus on defending against sophisticated threats like living-off-the-land attacks, this release continues Symantec's tradition of providing strong security for organizations worldwide. Symantec Endpoint Protection 14.3.12154.10000 P...

On SEPM:

| Issue | Symptom | Workaround | |-------|---------|-------------| | High CPU after Windows Update | ccSvcHst.exe spikes to 50%+ | Exclude C:\Windows\CbsTemp from real-time scanning | | Mac agent kernel panic on Big Sur 11.3+ | System freezes during sleep | Update to SEP 14.3 RU2 (build 14.3.211.5212) or later | | SEPM login loop after upgrade | Admin page redirects to login | Clear browser cache and restart SEPM services (tomcat, semwebsvcs) | | Conflict with CrowdStrike Falcon | Block of kernel drivers | Add mutual exclusions: disable SEP’s “System Isolation” if Falcon is present | Symantec Endpoint Protection 14

To counter advanced malware that attempts to disable local antivirus clients, build 14.3.12154.10000 enforces strict . A user or local admin must explicitly provide this password to perform any of the following tasks: Stopping the client subsystem via the smc -stop command.

Symantec Endpoint Protection 14.3 RU10: Complete Architecture & Deployment Guide A user or local admin must explicitly provide

Managed via the Symantec Endpoint Protection Manager (SEPM) or integrated into the cloud-based Symantec Endpoint Security (SES) . Core Features