Trellix EDR Release Notes (Cloud) - September 2026 release

This Trellix Endpoint Detection and Response - Cloud September 2026 release includes new features, enhancements, and resolved issues.

Every update release is cumulative and includes all features and fixes from the previous release.

New or changed

The Ask Wise side panel on the Device Search page allows you to add event rows using the following methods:

Select single or multiple event rows in the Device Search table and drag them into the Ask Wise side panel.
Select the checkboxes for multiple event rows, right-click, and select Add to Wise Analysis.

The welcome message in the Ask Wise panel explains the options to select and drag event rows.
Click Ask Wise to drag and drop the event rows. Hover over the drag-and-drop handle to display a tooltip. The tooltip explains that you can right-click the selected items and select Add to Wise Analysis, or drag them into the Ask Wise side panel.

Reference	Resolution
SEC-213380	Resolves an issue where ePO tags failed to display for SaaS tenants in the Device Search dashboard. An automated backend service now retrieves and caches ePO SaaS tags every 24 hours.
SEC-220490	Fixed an issue where the EDRF console displays No Result instead of error messages in the Errors Detail section for the specific endpoints. A recent `stackUpgrade` caused this unhandled result type.

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

For a list of known issues in this product release, see the Trellix Knowledge Base article KB91275.