Symantec Endpoint Protection 14.3.12154.10000 P... [portable] Now

Before implementing Symantec Endpoint Protection 14.3.12154.10000, be aware of these important factors:

It's important to understand Broadcom's versioning structure. This release follows the pattern established in 14.3 and is part of the ongoing maintenance and improvement cycle for the Symantec Endpoint Protection platform. The build number provides technical details about the specific iteration of the software, with version numbers increasing sequentially as new features and fixes are incorporated.

Symantec Endpoint Protection (SEP) Version: 14.3 Build Number: 12154.10000 Symantec Endpoint Protection 14.3.12154.10000 P...

A critical focus area for the 14.3.12154.10000 build is preventing unauthorized modification or removal of the client software by malicious local actors or compromised local admin accounts:

It is worth noting that while client builds like 14.3.12154.10000 were being deployed, the corresponding SEPM build for this release might be 14.3.27659.10000 or similar. Before implementing Symantec Endpoint Protection 14

You may need to access the Download the latest version of Endpoint Protection section of the Knowledge Base for full installation files.

Fixes an issue where Tamper Protection and Intrusion Prevention might appear as "malfunctioning" immediately after system startup. Addresses a known bugcheck (BSOD) error (80) related to the SymEvent64x86.sys Deployment and Versioning Symantec Endpoint Protection (SEP) Version: 14

, have since been released to address further specific incidents.

While 14.3 RU10 itself is a security enhancement release, users should be aware of important security considerations. Both versions are mentioned in vulnerability disclosures. Prior versions of Symantec Endpoint Protection were found to be susceptible to certain vulnerabilities including COM Hijacking (CVE-2025-13919) and Elevation of Privilege (CVE-2025-13918).