Released in November 2025, this patch fixed several "malfunctioning" status errors for Memory Exploit Protection, Intrusion Prevention, and Tamper Protection during startup.

(build 14.3.12154.10000 ) was released on February 3, 2025 , providing critical security updates, third-party component upgrades, and new management features. This version is part of Broadcom's ongoing effort to streamline endpoint security across Windows, macOS, and Linux environments. Key Highlights of SEP 14.3 RU10

Navigate to the Symantec Endpoint Protection Manager (SEPM) and check the "LiveUpdate Status" under the Admin page.

Symantec Endpoint Protection 12.1.6 MP1 (or a post-RU6 hotfix).

(Build 11216 and higher) is considered one of the most stable and current releases, ensuring compatibility with the latest versions of Windows 10 and 11 [19, 5.11]. Common Troubleshooting & Maintenance License Expiry: If your license expires, the Symantec Endpoint Protection Manager (SEPM)

: Resolved bugs where client systems would occasionally fail to download the latest virus definitions from the LiveUpdate Administrator (LUA). Deployment Recommendations

As of 2025, SEP 14.3 RU1 (patched or unpatched) is considered . Broadcom’s current long-term support branches are: