Trellix Data Loss Prevention Endpoint for Windows 11.11 Update 3 (11.11.3) Release Notes

Prev Next

The Trellix DLP Endpoint for Windows 11.11 Update 3 (11.11.3) release includes resolved issues.

Release details

Release date - October 08, 2025

Release builds:

  • Trellix Data Loss Prevention Endpoint client build 11.11.3.81

If you have previously installed 11.11.2.1172 we recommend updating it to 11.11.3.81 before you continue testing or deploying.

For the DLP Extension resolved issues, see the Trellix Data Loss Prevention Extension 11.12.x Release Notes.

Note

Trellix DLP Endpoint 11.11.3.81 requires Trellix DLP 11.11.4.23 or later extension.

For the specific build numbers, see Product release information in KB68147.

Updated platform, environment, or operating system support

For additional information on supported platforms, environments, and operating systems, see KB68147.

Known issues

For a list of current known issues, see: Trellix Data Loss Prevention 11.x.x Known Issues (KB89301).

Resolved issues

This update resolves known issues.

Reference

Resolution

DLPW-10066

Fixed an issue where duplicate evidence entries were generated for a single file upload in Zoom meetings when an Application File Access Protection rule was triggered.

DLPW-10124

Fixed an issue where Trellix DLP Endpoint client installation failed during OS imaging using Microsoft Configuration Manager.

DLPW-10823

Fixed an issue where Trellix DLP failed to block screen captures using the Snipping Tool or Snip & Sketch app on Windows 11 23H2 systems.

DLPW-11657

Fixed a localization issue that occurred after updating Trellix DLP Endpoint to the latest version.

DLPW-12352

Fixed an issue where the files were unintentionally downloaded from the OneDrive local sync folder during DLP processing.

DLPW-14286

Fixed an issue where the list of manual classifications in MS Office applications would appear blank on the first attempt to expand the list.

DLPW-14468

Fixed an issue where the Evidence Path field in the Diagnostic Tool was not displayed when Direct-to-Cloud (D2C) evidence upload was configured through the extension.

DLPW-14643

Fixed an issue where emails forwarded from Outlook with the DLP add-in enabled and containing user signatures were encrypted, preventing recipients from viewing them in the Gmail mobile app.

DLPW-14813

Fixed a performance issue on Windows 11 where applications, such as Notepad, would freeze for an extended period when opening files from a network share.

DLPW-14829

Fixed an issue where unchecking the Manage and protect Chromium Incognito and guest mode settings option in Windows Client Configuration did not update the registry key, causing Incognito mode to remain disabled in Google Chrome and Microsoft Edge browsers.

DLPW-15318

Fixed an issue where dictionary classifications failed to detect keywords entered within double quotes'

DLPW-15764

Fixed a compatibility issue that caused a Bad Image error when launching Microsoft PowerPoint.

DLPW-16105

Fixed an issue where user notifications on machines with the Korean language setting were not displaying correctly.

DLPW-16235

Fixed a security vulnerability (CVE-2024-43590) by upgrading the Microsoft Visual C++ Redistributable bundled with the Trellix DLP for Windows installer to version 14.42.34438.

DLPW-16254

Fixed an issue where the Printer Protection rules failed to block printing of sensitive information in Outlook when using the Aptos font. This issue occurred due to improper rendering of specific character combinations such as 'ff', 'ffi', 'ffl', 'fi', and 'fl'.

DLPW-16848

Fixed an localization issue where the Trellix DLP UI would revert to English from German after an agent update.

Note

If you are updating from version 11.11.0.138, you must first upgrade to 11.11.2.117 and then to 11.11.3.812 to ensure this fix is applied correctly.

DLPW-17351

Fixed an issue on Windows 11 where Active Directory users in Device Control Rule would not apply exception when a user is in an offline state.

DLPW-18072

Fixed an issue where incidents generated during file uploads in Microsoft Edge did not capture the destination URL.

DLPW-18325

Fixed an issue where the DLP agent would unintentionally remove Exploit Protection settings from the endpoint after a new policy was assigned from the ePO.

DLPW-18388

Fixed an issue where Application File Access Protection Rules (AFAPR) would generate false positive incidents when you hover the cursor over a file in File Explorer.