Week in brief

Codename MDASH Overview leads 87 Defender updates

Week of 13 July 2026 recorded 18 new, 69 updated Microsoft Defender documentation changes. The most active areas were Endpoint, Exposure Management, Office 365.

For Defender administrators

Review the linked Microsoft Learn changes that apply to your managed platforms, policies, applications, and rollout plans. The archive preserves the source diff for verification.

This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.

Updates this week

5

Create Custom Rbac Roles

Updated

Updated Microsoft Defender documentation in defender-xdr/create-custom-rbac-roles.md.

16 July 2026

Custom Permissions Details

Updated

Updated Microsoft Defender documentation in defender-xdr/custom-permissions-details.md.

15 July 2026

Compare Rbac Roles

Updated

Updated Microsoft Defender documentation in defender-xdr/compare-rbac-roles.md.

15 July 2026

Activate Defender Rbac

Updated

Updated Microsoft Defender documentation in defender-xdr/activate-defender-rbac.md.

15 July 2026

Manage Rbac

Updated

Updated Microsoft Defender documentation in defender-xdr/manage-rbac.md.

15 July 2026
18

Collect Diagnostic Data

Updated

Updated Microsoft Defender documentation in defender-endpoint/collect-diagnostic-data.md.

15 July 2026

Autoir Investigation Results

Updated

Updated Microsoft Defender documentation in defender-endpoint/autoir-investigation-results.md.

15 July 2026

Respond Machine Alerts

Updated

Updated Microsoft Defender documentation in defender-endpoint/respond-machine-alerts.md.

15 July 2026
6
1
19

Mdo Portal Permissions

Updated

Updated Microsoft Defender documentation in defender-office-365/mdo-portal-permissions.md.

15 July 2026
2
1
3

Whats New

Updated

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

15 July 2026

Troubleshooting Known Issues

Updated

Updated Microsoft Defender documentation in defender-for-identity/troubleshooting-known-issues.md.

15 July 2026
1

Deploy Sensor V3

Updated

Updated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.

15 July 2026
4

Data Ingestion Benefit

Updated

Updated Microsoft Defender documentation in defender-for-cloud/data-ingestion-benefit.md.

15 July 2026

Regional Availability

Updated

Updated Microsoft Defender documentation in defender-for-cloud/regional-availability.md.

15 July 2026
2

Customer Managed Keys

Updated

Updated Microsoft Defender documentation in sentinel/customer-managed-keys.md.

15 July 2026
23

Codename MDASH Overview

New

Added Microsoft Defender documentation in exposure-management/ai-code-security-overview.md.

15 July 2026

Run agentic code scans

New

Added Microsoft Defender documentation in exposure-management/run-ai-code-security-scans.md.

15 July 2026

Codename MDASH - FAQ

New

Added Microsoft Defender documentation in exposure-management/codename-mdash-faq.md.

15 July 2026

Initiatives List

Updated

Updated Microsoft Defender documentation in exposure-management/initiatives-list.md.

15 July 2026

Whats New

Updated

Updated Microsoft Defender documentation in exposure-management/whats-new.md.

15 July 2026

Review Attack Paths

Updated

Updated Microsoft Defender documentation in exposure-management/review-attack-paths.md.

15 July 2026

Work Attack Paths Overview

Updated

Updated Microsoft Defender documentation in exposure-management/work-attack-paths-overview.md.

15 July 2026

Configure Data Connectors

Updated

Updated Microsoft Defender documentation in exposure-management/configure-data-connectors.md.

15 July 2026

Prerequisites

Updated

Updated Microsoft Defender documentation in exposure-management/prerequisites.md.

15 July 2026
1
1

Fixed Reported Inaccuracies

Updated

Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.

15 July 2026