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.
21 October 2026
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.
21 October 2026
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.
21 October 2026
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.
21 October 2026
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.
20 October 2026
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.
20 October 2026
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.
20 October 2026
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.
19 October 2026
The page now lists supported Defender configuration areas, clarifies the onboarding and Managed Google Play prerequisites, and updates the Intune policy creation link and wording.
19 October 2026
The page revises privacy wording, terminology, punctuation, and descriptions of collected data. The required-data list no longer includes basic browser information.
19 October 2026
The page now describes the refreshed Android interface, including dashboards, feature tiles, alert cards, and the Device Protection feature card. It also clarifies the separate feedback and log-submission flows and updates screenshot descriptions, wording, and formatting.
19 October 2026
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.
16 October 2026
The October 2026 entry replaces the previous Preview listing for vulnerability assessment of applications installed via the Microsoft Store, including Microsoft Teams.
15 October 2026
The page updates headings, links, portal navigation wording, and instructions for connecting Defender for Endpoint to Intune and creating Android app protection policies.
15 October 2026
The article title, metadata links, and wording were updated. Examples of fileless-malware techniques were rephrased, and the PowerShell guidance paragraph was removed.
15 October 2026
The page received wording, formatting, and accessibility edits. It clarifies when automated investigation and remediation can start, links to its overview, refines alert-severity descriptions, and updates the screenshot text.
15 October 2026
The page title and description were refined, screenshot captions now describe each image, and wording and punctuation were clarified throughout the report guidance.
15 October 2026
The Client Analyzer feedback page now uses direct links to the Microsoft Defender portal and centralized feedback platform, with minor title and wording updates.
15 October 2026
The page updates capitalization, expands MSSP to “Managed Security Service Provider,” refines wording, and adds metadata links. The tenant-specific portal URL and access instructions remain documented.
13 October 2026
The page title was capitalized consistently, explanatory text was split for readability, and the two inspection approaches—Agent-native event inspection and Network inspection—are now named explicitly.
13 October 2026
The article refreshes terminology, links, permission formatting, navigation instructions, and screenshots for submitting files and file hashes through the Defender portal.
13 October 2026
The page was updated with revised metadata, clearer On/Off selection steps, an endpoint screenshot, and added guidance explaining that scoped device group correlation can produce separate incidents for Global SOC users.
13 October 2026
The article received clearer wording, standardized terminology and formatting, revised examples, and updated link text.
13 October 2026
The page updates heading capitalization, formats navigation paths and code blocks, and restructures the supported operating systems section for clearer presentation.
13 October 2026
The page title and description were refined, and explanations of real-time protection, hybrid detection, cloud protection, and detection engines were reworded for clarity. The description now highlights client and cloud engines, machine learning, and behavior monitoring.
13 October 2026
The page title capitalization changed, its description now covers viewing, organizing, and managing alerts and investigating threats involving devices, files, and users, and its metadata links were updated.
13 October 2026
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.
12 October 2026
Doc updateAction required 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.
12 October 2026
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.
12 October 2026
A new Learn article documents supported local AI agents, MCP server discovery, and runtime protection scenarios, with support listed separately by operating system and configuration. It also explains that discovery depends on observed agent activity.
9 October 2026
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.
9 October 2026
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.
9 October 2026
The documentation states that Defender surfaces supported AI agents and MCP servers after observing activity on onboarded devices. An installed agent may not appear until it becomes active; the guidance also adds comparing query results with the discovery support matrix.
9 October 2026
The page now describes bringing Defender for Endpoint and Defender for Servers together in the Microsoft Defender portal for Azure and on-premises servers. It covers server asset views, investigations, hunting, RBAC, and device groups.
8 October 2026
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.
8 October 2026
The release page now lists Android version 1.0.9330.0101, released September 30, 2026, with performance improvements and general bug fixes.
8 October 2026
Doc updateAction required 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.
6 October 2026
The Defender Endpoint What's New entry now links to the preview-specific Microsoft Store applications section.
4 October 2026
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.
1 October 2026
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.
1 October 2026