WEEKLY BRIEFING · 16 MAR – 22 MAR 2026 · UTC
Public sources only
54 public updates in week 12
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. 11 Windows and security articles from Microsoft blogs.
2Windows KB releases
0MSRC release notes
28Roadmap changes across 8 products
11Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases2
Windows and security news11
- 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
6 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
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
Microsoft product news13
Gemini API release notes · 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
Windows 365 what's new · 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
Microsoft Purview Blog · 2
- Consolidate & Conquer: Driving Business Transformation with Integrated Security21 Mar
- AI‑Powered Troubleshooting for Microsoft Purview Data Lifecycle Management16 Mar
OpenAI API changelog · 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
PowerShell Team Blog · 1
PowerShell release notes · 1
Microsoft Graph PowerShell SDK release notes · 1
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
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.