We are pleased to announce the availability of Trellix Agent (TA) 5.8.6. It is our recommendation to update to this release at your earliest convenience to ensure the best protection.
This release includes new features, enhancements, and resolved issues:
New features
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On-prem (Windows)
- Introduction of the Asynchronous File Retrieval feature to collect files through SIR (1.0.6)
- Introduction of the Asynchronous File Retrieval feature to collect files through SIR (1.0.6)
-
On-prem and SaaS
- Availability of the IsDomainController extended property under System Properties for Network Detection and Response
Enhancements
-
On-prem and SaaS
- Ability to select the preferred IP type for dual stack systems in the TA General Policy
- Updated EULA, copyright, and Licence.txt (TA and Data Exchange Layer)
- Security hardening (OpenSSL upgrade to version 1.0.2zm and QwietAI Scan)
Resolved issues: For a list of all the resolved issues (on-prem and SaaS), see the Release Notes.
The following product documentation is available for these releases:
- Trellix Agent 5.8.x Release Notes
- Trellix Agent 5.8.x Installation Guide
- Trellix Agent 5.8.x Product Guide
For more information on this release, see the Agent Documentation on the Product Docs site.
Trellix Agent 5.8.6 (On-Prem) is available now through the Product Downloads site.
Trellix Agent 5.8.6 (SaaS) deployment across all regions is scheduled from April 7th to 15th, 2026.
Note: To receive information about product updates, sign up for the Support Notification Service.
For instructions, see the Thrive Portal User Guide and navigate to Profile and Settings > My Settings > Manage Support Notification Services (SNS) subscription preferences.