Product

Microsoft Defender for Endpoint

Track documentation and Message Center changes for Microsoft Defender for Endpoint.

Microsoft Learn documentation ↗

Latest Microsoft Defender for Endpoint changes

Mac Resources

Email and collaboration

The page author metadata changed from paulinbar/painbar to limwainstein. The uninstall guidance continues to direct administrators to the Offboard Mac devices documentation for cleanup requirements.

Microsoft Defender Antivirus Windows

Endpoint protection

The Windows Defender Antivirus documentation now lists `DefenderSessionHelper.exe` in the Details tab for Microsoft Defender Clipboard Protection, with Processes and Services marked N/A. The page date and reviewer metadata were also updated.

Microsoft Defender Endpoint Releases

Endpoint protection

The macOS 101.26082.0012 release adds EDR support for configuring AI agent runtime protection, plus Bluetooth permission and antivirus health reporting improvements, accessibility updates, reliability fixes, and performance fixes.

Offboard Machines

Endpoint protection

The documentation now covers Windows, Linux client and server, macOS, Android, and iOS offboarding. It also distinguishes subscription-wide Azure server offboarding from manual individual-server offboarding and clarifies that offboarding does not uninstall software.

Onboard Server

Architecture and deployment

The server onboarding page now links to `offboard-machines` instead of the `#offboard-servers` fragment.

Whats New In Microsoft Defender Endpoint

Endpoint protection

The Defender for Endpoint What's New page now lists macOS release version 20.126082.12.0 as GA and links to its enhancements and features.

Azure Server Integration

Endpoint protection

The page now links new deployments to server onboarding guidance and on-premises server connections to Defender for Servers, including automatic or manual deployment options and onboarding verification.

Microsoft Defender Endpoint Releases

Endpoint protection

The documentation now lists Linux release 101.26091.0003, including updated release, engine, and signature versions. It also documents a libcurl 8.22.0 upgrade addressing CVE-2026-9546 and stronger quarantine authorization and path protections.

Offboard Machines

Endpoint protection

The article now distinguishes automatic Azure offboarding, Defender for Servers coverage changes, manual endpoint offboarding, and endpoint software removal. It adds preparation steps, verification guidance, package-handling details, and method-specific procedures for Linux and Windows.

Android Mobile Threat Defense Role

Endpoint protection

The documentation now clarifies that the mobile threat defense connector is the Defender for Endpoint–Intune integration, separates assignment steps, and refers to the automatic-launch control as a switch.

Microsoft Defender Endpoint Releases

Endpoint protection

The documentation adds Platform 4.18.26090.9, Engine 1.1.26090.9, and security intelligence 1.461.1.0 release details, including automatic protection-engine refresh, improved update reliability, ASR path handling, and policy-exclusion retention.

Whats New In Microsoft Defender Endpoint

Endpoint protection

The October 2026 entry replaces the previous Preview listing for vulnerability assessment of applications installed via the Microsoft Store, including Microsoft Teams.

Machine Tags

Endpoint protection

The documentation now clarifies that the DeviceTagging registry key supports only one tag in the Group value. Tags assigned through other methods aren't written there, so the registry value may not show all tags on a device.

Mobile Resources Defender Endpoint

Endpoint protection

The documentation now lists onboarding, security reporting, and iOS TVM as Mobile TVM service uses. It also warns that restrictive Conditional Access policies can disrupt these flows and recommends excluding the service from those policies.

Mtd

Endpoint protection

The article now lists firewall and proxy URLs needed to onboard and maintain Microsoft Defender for Endpoint devices on Android and iOS, covering commercial and US Government cloud environments.

Ai Agent Runtime Protection Overview

Endpoint protection

The article now uses broader descriptions of inspection points, streamlines explanations of agent-native and network inspection, updates discovery terminology, and removes the explicit event-point list and vendor links.

Local Agent Discovery Overview

Endpoint protection

The documentation now states that Defender lists a local AI agent after observing activity on an onboarded device; installation alone does not guarantee discovery. It also clarifies that the inventory is not a complete software inventory and references the support matrix for coverage details.

Microsoft Defender Endpoint Releases

Endpoint protection

The release page now lists Android version 1.0.9330.0101, released September 30, 2026, with performance improvements and general bug fixes.

Offboard Machines

Endpoint protection

The documentation explains that disabling Defender for Servers automatically offboards eligible servers. It also describes exclusions, processing times, verification, retry behavior, and what happens when the plan is re-enabled.

Troubleshoot Collect Support Log

Troubleshooting

The guidance replaces manual analyzer download steps with self-contained binary or Python Live Response action pairs. It adds package validation, workspace-ID handoff, explicit prerequisites, HTTPS requirements, and a local-workflow alternative for devices without Microsoft endpoint access.

Wait for cloud-init to finish provisioning, including setting the hostname.

Endpoint protection

The Linux deployment article now explains how to embed the tenant-specific onboarding file in a golden image, keep `mdatp` stopped during image creation, and start Defender on clones only after their final hostname is set. It also adds onboarding and health verification steps.

Microsoft Defender Endpoint Releases

Endpoint protection

The documentation now covers centrally scheduled Linux antivirus scans through managed JSON and Defender Portal policies, expanded detection of critical Node.js, Python, and Java libraries, a libcurl 8.20.0 security update, and Windows Antivirus August 2026-2 details and fixes.

Secure Controlled Configuration

Endpoint protection

The documented device requirement now includes Windows Server 2022 and Windows Server 2025. The local exclusion guidance also clarifies that local administrator-defined antivirus exclusions are not honored by default and can be enabled through Defender or Intune policy.

Mde Plugin Wsl

Endpoint protection

The documented installer changes to version 2.26.921.1. The page also expands guidance for identifying Windows hosts, classic WSL devices, and WSL container devices in the Defender portal, and updates the screenshot and setup instructions.

Whats New In Microsoft Defender Endpoint

Endpoint protection

The documentation now lists support for WSL containers (WSLc), extending Defender for Endpoint protection to WSLc workloads and providing visibility into their activity.

Microsoft Defender Endpoint Releases

Endpoint protection

Cloned Linux virtual machines are now correctly identified as unique Defender for Endpoint devices. SIGILL crashes on processors without SSE4.1 support were fixed, along with general reliability improvements.

Linux Preferences

Endpoint protection

The superscript asterisk was removed from the `nfs4` entry in the Linux preferences documentation.

Mde Linux Prerequisites

Endpoint protection

The filesystem entries on the Linux prerequisites page were redistributed between the two table columns; the listed entries remain unchanged.

Address false positives/negatives in Microsoft Defender for Endpoint

Endpoint protection

The article now provides workflows for identifying detection sources, classifying and suppressing alerts, reviewing remediation, configuring exclusions, submitting files, and investigating suspected false negatives. Definitions, response guidance, links, and metadata were also updated.

Address Unwanted Behaviors Mde

Endpoint protection

The page now emphasizes identifying the capability causing unwanted behavior and uses clearer links for viewing ASR detections and configuring exclusions. Documentation metadata was also updated.

Adv Tech Of Mdav

Endpoint protection

The documentation now links the “industry-best” detection and blocking statement to the Defender XDR top-scoring industry tests page.

Amsi On Mdav

Endpoint protection

The AMSI on Microsoft Defender Antivirus article now points to the updated App Control for Business and AppLocker overview path.

Android Mobile Threat Defense (MTD) Role for Microsoft Defender for Endpoint

Endpoint protection

The new documentation explains how Intune can assign Microsoft Defender for Endpoint as the Android Enterprise Mobile Threat Defense application. The role helps block force-stop and app-data clearing, and automatically exempts Defender from battery optimization on Android 14 and later. It lists prerequisites and supports COBO and COPE enrollment scenarios.

Android New Ux

Endpoint protection

The Android documentation now links to the specific Network protection configuration section when explaining where related events can be viewed.

Android Privacy

Endpoint protection

The Android privacy documentation now links to a revised Microsoft Defender for Endpoint privacy article for Android and iOS.

Assess Devices

Endpoint protection

The page now lists licensing, onboarding, and portal-permission prerequisites. It also updates queries for identifying unmanaged devices, their discovering onboarded devices, and recent network connections.

Assign Microsoft Defender for Endpoint basic permissions

Endpoint protection

The article now states that basic permissions are for existing Defender for Endpoint customers, with full access assigned through Security Administrator and read-only access through Security Reader. It also adds Microsoft Graph PowerShell role and delegated-permission prerequisites and notes that new customers use unified RBAC.

Attack Surface Reduction Overview

Vulnerabilities and exposure

The Attack Surface Reduction overview now uses revised links for Microsoft Defender Application Guard, WDAC, and Windows Firewall documentation.

Attack Surface Reduction Rules Configure

Vulnerabilities and exposure

The page now details precedence among local settings, Group Policy, MDM, and Configuration Manager, including the MDMWinsOverGP setting and OMA-URI. It also updates Intune navigation and explains per-rule exclusions.

Attack Surface Reduction Rules Overview

Vulnerabilities and exposure

Starting with platform version 4.18.26060, using the Unblock option to override an ASR rule in Warn mode requires administrator approval. Per-ASR rule exclusions should be used for persistent exceptions.

Automated Investigations

Endpoint protection

The page now uses updated Microsoft Support URLs for the Windows 10 KB4493441 and KB4493464 references and a local link for PUA protection.

Automation Levels

Endpoint protection

The table entry describing the No automated response (no automation) level was revised.

Behavior monitoring in Microsoft Defender Antivirus

Endpoint protection

The article now explains real-time detection, dynamic analysis, response and remediation, and identifies Antimalware and Network protection features that depend on behavior monitoring. It also updates configuration-tool guidance and adds verification and performance-troubleshooting context.

Client Analyzer

Identity protection

The client analyzer overview now links unexpected Endpoint Data Loss Prevention behavior to the `/purview/endpoint-dlp-learn-about` page instead of the previous `/microsoft-365/compliance/endpoint-dlp-learn-about` path.

Collect Diagnostic Data

Endpoint protection

The investigation package guidance now links to the collection instructions using the relative `respond-machine-alerts.md` path and anchor.

Configure block at first sight in Microsoft Defender Antivirus

Endpoint protection

The article now explains how block at first sight works, lists its required conditions—cloud protection, automatic sample submission, and current Defender updates—and documents coverage for downloaded executable and nonportable files. It also adds Configuration Manager to the supported management tools and includes updated links and visuals.

Configure Conditional Access

Endpoint protection

The article now explicitly describes enabling Conditional Access for Microsoft Defender for Endpoint with Microsoft Intune and Microsoft Entra ID, and refers to the Microsoft Defender for Endpoint compliance policy evaluation integration. The page date and authoring metadata were also updated.

Configure Device Discovery

Endpoint protection

The page updates wording for customizing standard discovery and monitoring networks, and adds a direct link to the Monitored networks section for the advanced hunting query.

Configure Endpoints Gp

Endpoint protection

The Central Store for Group Policy Administrative Templates link now points to the Microsoft Learn troubleshooting page.

Configure Endpoints Sccm

Endpoint protection

The network protection prerequisite now links to a different support article for obtaining the antimalware platform update.

Configure Microsoft Defender Antivirus scanning options

Endpoint protection

The article now links to newer Windows 10 and Windows 11 Group Policy reference spreadsheets, provides expanded GPMC navigation and setting-edit steps, and adds guidance for Local Group Policy and legacy policy names.

Configure Microsoft Defender Antivirus using Microsoft Intune

Endpoint protection

The documentation now describes creating antivirus policies in Intune, adds Windows Server devices managed through Defender for Endpoint security settings management, and notes that Windows 10 support is not guaranteed after October 14, 2025.

Configure Microsoft Defender for Endpoint on Android

Endpoint protection

The guide was retitled and restructured. It now covers protection, privacy, file scanning, device tagging, vulnerability assessment, sign-out controls, custom indicators, and web protection through Microsoft Intune, with updated licensing and platform-limit details.

Configure Network Connections Microsoft Defender Antivirus

Endpoint protection

The article now explicitly covers cloud-delivered protection, provides more specific ValidateMapsConnection, MAPS, certificate/TLS, timeout, and proxy/CRL troubleshooting guidance, and updates related links and headings.

Configure security settings in Microsoft Defender for Endpoint on Linux

Endpoint protection

The article now documents four antivirus enforcement levels, including audit mode (Preview), states that passive is the default, and adds a command to verify the active level. Audit mode requires Defender for Endpoint version 101.26062.0007 or later.

Controlled configuration in Microsoft Defender for Endpoint

Endpoint protection

The new article describes cloud-managed Defender Antivirus policy as the authoritative configuration source, overriding Group Policy, scripts, Configuration Manager, and local changes. It lists prerequisites, supported platforms, covered settings, exclusions, and enforcement behavior.

Controlled Folder Access Configure

Endpoint protection

The article now lists the Intune navigation path, policy type, platform, profile, CFA settings, and Add/Import examples for protected folders and allowed applications.

Controlled Folder Access Overview

Endpoint protection

The article now points to an updated Windows Security Protection History URL and removes the Microsoft Volume Licensing Reference Guide link.

Create a custom gradual rollout process for Microsoft Defender updates

Endpoint protection

The documentation now specifies Windows devices and Microsoft Defender Antivirus platform version 4.18.2106.6 or later, revises the rollout channel descriptions and policy paths, and warns that MDM and Group Policy settings can conflict for Defender settings.

Create indicators for certificates in Microsoft Defender for Endpoint

Endpoint protection

The article now explicitly explains creating certificate-based indicators to allow or block signed applications, adds steps from the Settings page, updates the cloud protection link, identifies the Microsoft Defender for Endpoint evaluation pipeline, and expands the IoC wording.

Create indicators for IPs and URLs/domains

Endpoint protection

The documentation now uses a local link, updates the URL precedence example, clarifies network protection logging, and restates that policy changes can take up to 48 hours to apply, usually under two hours.

Customize exploit protection

Endpoint protection

The article updates Windows Security and PowerShell instructions, clarifies the `-System` scope and `-Remove` behavior, and explains that audit-only ACG monitoring logs policy violations without blocking execution.

Data Collection Analyzer

Endpoint protection

The data collection analyzer table now uses updated links for MpCmdRun.exe and Endpoint DLP, and the -v entry includes additional troubleshooting examples such as Cloud Protection reporting and Platform Update failures.

Defender Deployment Tool Windows

Endpoint protection

The Windows deployment-tool page now includes the streamlined connectivity SSL inspection requirement and replaces DefenderDTconfig.txt with MdeConfig.txt/MDEConfig.txt in its instructions. Prerequisite links were also refreshed.

Defender Endpoint Demonstration Attack Surface Reduction Rules

Vulnerabilities and exposure

The documentation now warns that the setup script excludes `c:\demo` from Microsoft Defender Antivirus scanning. Administrators must copy ASR test files to a folder not excluded by Defender Antivirus or ASR rules before opening or running them, then delete the copies afterward.

Defender Endpoint Demonstration Controlled Folder Access Ransomware

Endpoint protection

The instructions now explain that the setup script excludes c:\demo from Microsoft Defender Antivirus. They direct users to run the test file from a nonexcluded folder when testing for a CFA block or detection, and clarify where to run and delete copies afterward.

Defender Endpoint Exclusions Common Mistakes

Endpoint protection

The documentation now links to a different Microsoft Support page for folders that should be excluded when using file-level antivirus protection in SharePoint.

Defender Endpoint Plan 1

Architecture and deployment

The page adds licensing details for standalone, Microsoft 365 E3, and server deployments, and updates links for Windows Firewall and Application Control documentation.

Defender Endpoint Trial User Guide

Endpoint protection

The guide’s date and custom metadata were updated, and wording for configuring capabilities and running detection tests was revised.