WEEKLY BRIEFING · 16 MAR – 22 MAR 2026 · UTC
Full source inventory · public sources only
Week 12 sources
Microsoft published 2 Windows KB releases (2 out-of-band). No new MSRC release that week. 28 roadmap changes, led by Microsoft 365 Copilot (7) and Purview (7). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 22 lifecycle milestones fall in the next 30 days. 25 Azure updates, including 11 retirements. 14 Windows and security articles from Microsoft blogs.
2Windows KB releases
28Roadmap changes across 8 products
14Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases2
Windows and security news14
- Our commitment to Windows quality20 Mar
- Announcing Windows 11 Insider Preview Build for Canary Channel 29553.100020 Mar
- Announcing Windows 11 Insider Preview Build 28020.1743 (Canary Channel)20 Mar
- Announcing Windows 11 Insider Preview Build 26300.8085 (Dev Channel)20 Mar
- Announcing Windows 11 Insider Preview Build 26220.8079 (Beta Channel)20 Mar
9 more
- Redefining identity security for the modern enterprise20 Mar
- Defending the AI Era: New Microsoft Capabilities to Protect AI20 Mar
- RSA 2026: What’s new in Microsoft Defender?20 Mar
- New innovations in Microsoft Defender to strengthen multi-cloud, containers, and AI model security20 Mar
- Security Copilot in Defender: empowering the SOC with assistive and autonomous AI20 Mar
- Oracle Security Alert for CVE-2026-21992 - 19 March 202620 Mar
- Edge 146.0.3856.72: Chromium security fixes20 Mar
- Security Advisory Bulletin 06218 Mar
- Edge 146.0.3856.62: fixes CVE-2026-3909, exploited in the wild16 Mar
Lifecycle milestones in the next 30 days22
- Retirement: Classic VMware protection scenario using ASR 29 Mar
- Retirement · 9 products: API Keys for querying Application Insights; Batch Region Retirement; Classic alerts for Azure Backup; Classic Compute Node Communication Model; Deprecation of flash-extract custom fields; Retire Require Approve Client App Conditional Access Grant; VHD and Managed Images; Windows Server 2019 on AKS hybrid; Windows Server 2019 on AKS Retirement 31 Mar
- End of support: Microsoft SQL Server 2012 Parallel Data Warehouse (Analytics Platform System) 31 Mar
- End of servicing: Dynamics 365 Business Central on-premises (Modern Policy), 2024 release wave 2, version 25.x 4 Apr
- End of support · 10 products: Dynamics C5 2016; Dynamics NAV 2016; Microsoft Advanced Group Policy Management 4.0; Microsoft Application Virtualization 5.0; Microsoft Application Virtualization 5.1; Microsoft Application Virtualization Hosting 5.0 for Windows Desktops; Microsoft Application Virtualization Hosting 5.1 for Windows Desktops; Microsoft BitLocker Administration and Monitoring 2.5; Microsoft Diagnostics and Recovery Toolset 10.0; User Experience Virtualization (UE-V) 2.1 14 Apr
Product news21
Microsoft Graph · 4
- Backup and recovery (beta): 4 API change passages18 Mar
- Identity and access (beta): 16 API change passages18 Mar
- Tasks and plans (beta): 6 API change passages18 Mar
1 more
Google Gemini · 3
- Grounding with Google Maps is now supported for Gemini 3 models going forward.18 Mar
- Released the new Built-in Tools and Function Calling Combination feature, making it possible to use Gemini's built-in tools alongside custom function calling tools in a…18 Mar
- Introduced revamped Usage Tiers and Billing Account spend caps for a better user billing experience.16 Mar
Ubiquiti UniFi · 3
- UniFi Network Application 10.2.9718 Mar
- UniFi Network Application 10.1.8918 Mar
- UniFi Network Application 9.0.11818 Mar
Windows 365 · 3
- Expanded regional availability for Windows 365 Flex (shared)16 Mar
- Faster Cloud PC Compliance Evaluation During Provisioning16 Mar
- Recovery for Windows 365 Enterprise Cloud PCs that were Deprovisioned due to License Expiration is now available16 Mar
OpenAI · 2
- Released GPT-5.4 mini and GPT-5.4 nano to the Chat Completions and Responses API.17 Mar
- Updated the gpt-5.3-chat-latest slug to point to the latest model currently used in ChatGPT.16 Mar
Purview · 2
- Consolidate & Conquer: Driving Business Transformation with Integrated Security21 Mar
- AI‑Powered Troubleshooting for Microsoft Purview Data Lifecycle Management16 Mar
dbatools · 1
- dbatools 2.7.2718 Mar
GitLab · 1
- GitLab 18.1019 Mar
Microsoft Graph PowerShell SDK · 1
PowerShell · 1
Azure updates25
- Public Preview: Azure SQL updates for mid-March 202620 Mar
- Retirement: Azure SQL Elastic query - Shard_Map_Manager mode20 Mar
- Retirement: Azure Sphere will be retired on July 31, 203120 Mar
- Public Preview: Azure Databricks OneLake Catalog Federation19 Mar
- Retirement: HBv2-series Azure Virtual Machines will be retired on May 31, 202719 Mar
20 more
- Retirement: HC-series Azure Virtual Machines will be retired on May 31, 202719 Mar
- Retirement: NP-series Azure Virtual Machines will be retired on May 31, 202719 Mar
- Retirement: Emissions Impact Dashboard for Azure18 Mar
- General availability: Azure SQL updates for mid-March 202618 Mar
- Generally Available: Azure Red Hat OpenShift Managed Identity and Workload Identity18 Mar
- Generally Available: GitHub Copilot in SQL Server Management Studio 2218 Mar
- Public Preview: Database DevOps in SSMS powered by SQL projects18 Mar
- Public preview: GitHub Copilot integration in Schema Designer for the MSSQL extension18 Mar
- Public Preview: SQL MCP Server18 Mar
- Generally Available: Lakeflow Connect Free Tier now available in Azure Databricks18 Mar
- Generally Available: Versionless key support for transparent data encryption in Azure SQL Database18 Mar
- Public Preview: Data API builder with built-in GitHub Copilot in MSSQL extension18 Mar
- Generally Available: Default Rule Set 2.2 and updates to ruleset support policy17 Mar
- Generally Available: Foundry Agent Service17 Mar
- Retirement: Azure VMware Solution AV36P and AV52 node retirement on June 30, 202917 Mar
- Retirement: Migration of Azure Batch Low-Priority VMs to Spot VMs in early March16 Mar
- Retirement: Support for Windows Server 2016 Marketplace images on Azure Batch pools will end on January 12, 202716 Mar
- Public Preview: Entra ID-Based Access for Azure Blob Storage SFTP16 Mar
- Retirement: End of life reminder of NVv3 and NVv4-series Azure virtual machine in Azure Batch pools16 Mar
- Retirement: Flatcar Container Linux for AKS (preview)16 Mar
Microsoft 365 roadmap28
Microsoft 365 Copilot · 7
- Microsoft Copilot (Microsoft 365): Image Upload in Copilot Chat for Government Cloud19 Mar
- Microsoft Copilot (Microsoft 365): Scatter image effect in Microsoft 365 Copilot19 Mar
- Microsoft Copilot (Microsoft 365): Use Copilot to get a detailed and contextual explanation17 Mar
4 more
- Microsoft Copilot (Microsoft 365): Use Copilot to get a detailed and contextual explanation17 Mar
- Microsoft Copilot (Microsoft 365): Use Copilot to get a detailed and contextual explanation17 Mar
- Microsoft 365 Admin Center: M365 Copilot - Billing and usage - Usage insights16 Mar
- Microsoft Copilot (Microsoft 365): SharePoint list agent16 Mar
Purview · 7
- Microsoft Purview: Data Loss Prevention - Unmanaged cloud app discovery and protection with Microsoft Purview and Palo Alto Prisma Access19 Mar
- Microsoft Purview compliance portal: Endpoint Data Loss Prevention -- Always-on diagnostics for Windows Endpoints (Phase 2)16 Mar
- Microsoft Purview compliance portal: Insider Risk Management – Introduction of pay-as-you-go feature usage report16 Mar
4 more
- Microsoft Purview: Data Loss Prevention-Alert Classification Property for DLP Alerts on Purview Portal16 Mar
- Microsoft Purview: Data Loss Prevention-User based alert aggregation16 Mar
- Microsoft Purview: eDiscovery-Tenant level process report16 Mar
- Microsoft Purview: Insider Risk Management-New Microsoft Fabric lakehouse risk indicators16 Mar
Teams · 7
- Microsoft Teams: Activity in other accounts and organizations17 Mar
- Microsoft Teams: AI Workflows in Workflows app17 Mar
- Microsoft Teams: Improvements in call transfer experience on Teams Phone devices17 Mar
4 more
- Microsoft Teams: Interpreter agent support in Teams rooms on Windows17 Mar
- Microsoft Teams: Network Strength icon to understand strength of your network17 Mar
- Microsoft Teams: Simplified controls to manage external collaboration17 Mar
- Microsoft Teams: Deploy Teams frontline worker pilot in Teams Admin Center16 Mar
Outlook · 3
- Outlook: Font Improvements in Outlook for Android19 Mar
- Outlook: Customizable Oversharing dialog for DLP in New Outlook16 Mar
- Outlook: Save an Event as a Draft on iOS16 Mar
4 more products · 4 changes
Exchange · 1
Microsoft Edge · 1
OneDrive · 1
SharePoint · 1
Other public updates36
- Take Action: Out-of-band update released to address an issue signing in to apps with a Microsoft account21 Mar
- Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts21 Mar
- Microsoft Purview DLP: Unmanaged cloud app discovery and protection with Microsoft Purview and Palo Alto Prisma Access21 Mar
- Microsoft Teams: Building‑level insights on the Teams Rooms Pro Management portal recommended actions page20 Mar
- Second deployment phase for Kerberos RC4 hardening begins with the April 2026 Windows security update20 Mar
31 more
- Action Required: Update active Exchange Web Services Applications20 Mar
- Microsoft Teams: Recently used emojis sync across devices19 Mar
- Microsoft 365 Copilot: Planner Agent available in Frontier19 Mar
- Microsoft Teams for Mac: Improved access to account management19 Mar
- Designer tools in Copilot19 Mar
- Dynamics 365, Power Platform, and Role-based Copilot offerings 2026 release wave 1 plans available now19 Mar
- Dynamics 365 Customer Service – Define critical questions in evaluation criteria19 Mar
- Updates available for Microsoft 365 Apps for Current Channel18 Mar
- Lists as a knowledge source for agents in SharePoint and OneDrive18 Mar
- Publishing InfoPath Forms in SharePoint Online will not be allowed for all tenants18 Mar
- Microsoft Purview | Data Security Triage Agent Summaries for DLP Alerts in Microsoft Defender XDR18 Mar
- Microsoft Edge for Business: Cross-tenant support using Intune Mobile Application Management (MAM)18 Mar
- Improved OneDrive sync experience for macOS users18 Mar
- New admin control for AI‑generated code previews in Microsoft 365 Copilot Pages17 Mar
- Microsoft Purview compliance portal: Endpoint DLP classification support for Azure RMS–protected Office documents17 Mar
- Purview DSPM’s Data Risk Assessments now support item-level investigation and remediation of SharePoint17 Mar
- Upcoming retirement of select threat detections in Microsoft Defender for Cloud Apps17 Mar
- Microsoft Teams: New slash command in compose to create workflows17 Mar
- Copilot Notebooks: New features coming to Frontier Public17 Mar
- Power Apps - Custom theming for model-driven apps is becoming generally available17 Mar
- Dynamics 365 Sales - Improve opportunity context with AI-based data enrichment17 Mar
- Dynamics 365 Sales - Modern, in-flow email template picker for Sequences17 Mar
- Planner and Project Online licensing: Project Plan 5 and Project Online Essentials retire from sale for EDU and DoD17 Mar
- Whiteboards created in Teams channels will now be stored in SharePoint16 Mar
- Microsoft Teams: Manage multiple phone numbers within one Teams account16 Mar
- Microsoft 365 Copilot: Upload local files now supports .eml and .msg file types16 Mar
- Microsoft Entra: Passkeys in Microsoft registration campaigns16 Mar
- Out-of-band hotpatch update released to address an issue affecting Bluetooth device visibility16 Mar
- Dynamics 365 Sales - Get additional Dataverse storage capacity16 Mar
- Dynamics 365 Customer Service - Control evaluation volume with sampling16 Mar
- Power Apps - Download wrapped apps directly from Dataverse16 Mar
Every line opens its detail page or the original Microsoft source. This briefing uses public sources only and says nothing about your tenant or devices.