Symantec Endpoint Protection 14.3 Build 558 ((hot)) Jun 2026

Affected organizations typically either rolled back to version 14.2.5323.2000 or manually stopped the SEP service ( smc -stop ) to complete software installations. Evolution and Current Status

Minimum of 395 MB for a standard Windows client installation, though SEPM with a local database requires at least 40 GB. symantec endpoint protection 14.3 build 558

: Includes support for the Windows Antimalware Scan Interface (AMSI), allowing third-party applications to request scans for dynamic script-based malware (e.g., PowerShell, JavaScript, VBScript) before they execute. VBScript) before they execute.