December 11, 2024 release

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This Trellix Endpoint Detection and Response 4.2.1 (On-premises and SaaS) release includes enhancements for Windows endpoints.

Release details

Component

Version

Trellix EDR Client for Windows1

4.2.1.4528, 4.2.0.3520

Trellix EDR Client for macOS

4.2.0.3461

Trellix EDR Client for Linux

4.2.1.4637

Trellix EDR Client Extension

4.2.1.155

Trellix EDR Endpoint Snapshot Tool 2

6.6.0.10

Trellix EDR Windows Rules

4.2.1.4678, 4.2.0.3588

Trellix EDR macOS Rules

4.2.0.3461

Trellix EDR Linux Rules

4.2.1.4637

1If you are using Trellix EDR Client for Windows version 4.2.1.x, apply the Trellix EDR Client Content package version 4.2.1.4678. For Trellix EDR Client for Windows version 4.2.0.x, apply the Trellix EDR Client Content package version 4.2.0.3588.

2Separate release cadence is followed for Trellix EDR Endpoint Snapshot Tool. The latest available version is considered for this release. For installing or upgrading to the latest available version, see Software Catalog or Trellix Products Downloads site.

Enhancements

This release includes a content update for Trellix EDR Clients 4.2.0 and 4.2.1, resolving an issue that caused Microsoft Office processes to crash or hang when EDR Trace deep inspection or injection was enabled.

Note

If you have deployed both Trellix EDR Clients 4.2.0 and 4.2.1 on the same Trellix ePO server, see 000013185 for steps involved.

Known issues

For a list of known issues in this product release, see KB91275.

Installation information

The Trellix Endpoint Detection and Response Installation Guide provides information for installing the product and migrating from Trellix® Active Response.