Release date — September 10, 2025
Trellix Endpoint Detection and Response 4.2.2 Hotfix 1 release includes new features and resolved issues. This hotfix applies only to Windows endpoints.
Every update release is cumulative and includes all features and fixes from the previous release. We recommend that you always upgrade to the most current update.
Information about Trellix EDR 4.2.2 Hotfix 1 release
Release build details
Component | Version |
|---|---|
Trellix EDR Client for Windows | 4.2.2.5109 |
Trellix EDR Client Extension | 4.2.2.3 |
Trellix EDR Windows Rules | 4.2.2.5109 |
For a complete list of system requirements, see the Trellix Knowledge Base article KB91345.
New or changed
IPv6 support introduced — You can now deploy and use the Trellix EDR Client in IPv6-only environments.
Rating
This release is recommended. Apply this update at your earliest convenience.
Resolved issues
This hotfix resolved customer-reported issues.
Reference | Resolution |
|---|---|
SEC-197475 | Updates the libcurl version to 8.12.1. |
SEC-198763 | Resolves the issue where Japanese characters were displayed incorrectly. |
SEC-122305 | Resolves an issue where the EDR Client failed to send events when the DXL connection was unstable. |
SEC-201225 | Resolves the issue where the Trellix EDR console displayed an incorrect OS version. |
SEC-205324 | Updates the OpenSSL version to 3.0.17. |
Installation instructions
The Trellix Endpoint Detection and Response Installation Guide provides information for installing the product and migrating from Trellix® Active Response.
Known issues
For a list of known issues in this product release, see KB91275.