Symantec Endpoint Protection 14.3.12154.10000 P... !exclusive! Jun 2026

: Fixes an issue where the client user interface would become unresponsive.

If you are managing an environment with this version:

Users of SEP 14.3 RU10 should be aware that while the version includes many fixes, if not patched further. Analysis of vulnerability databases reveals that Symantec Endpoint Protection versions prior to 14.3 RU10 Patch 1 are susceptible to a Component Object Model (COM) Hijacking vulnerability tracked as CVE-2025-13919 . Symantec Endpoint Protection 14.3.12154.10000 P...

Symantec Endpoint Protection (SEP) is a comprehensive security solution that provides protection for endpoints, including desktops, laptops, and servers, from various types of malware, including viruses, spyware, Trojans, and other threats. The version 14.3.12154.10000 is a latest release of SEP, which provides enhanced security features and improved performance.

Microsoft Windows Security Center on Windows Server 2025 does not recognize the installed SEP client as an active antivirus provider, displaying the message: "No active Antivirus provider. Your device is vulnerable." While Microsoft is working on a fix, the SEP client continues to protect the client computer despite this reporting discrepancy. : Fixes an issue where the client user

This specific version, released by Broadcom, focuses on enhancing compatibility with modern operating systems (including Windows 11 and macOS), improving performance, and strengthening protection against ransomware. Key Features and Capabilities

SEP 14.3 RU6 and higher exclusively targets 64-bit systems . Running or cross-compiling a 32-bit client on newer builds is completely unsupported. Fixed Engineering Incidents Your device is vulnerable

To enhance protection against attackers who might attempt to stop or remove the SEP client, 14.3 RU10 requires setting a site-level default client password. Client users must now provide this password for critical operations: