WEEKLY BRIEFING · 11 MAY – 17 MAY 2026 · UTC
Full source inventory · public sources only
Week 20 sources
Microsoft published 12 Windows KB releases (12 security). MSRC published May 2026 Security Updates. 28 roadmap changes, led by Purview (10) and Microsoft 365 Copilot (7). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 1 lifecycle milestone fall in the next 30 days. 10 Azure updates. 12 Windows and security articles from Microsoft blogs.
12Windows KB releases
1MSRC release note
28Roadmap changes across 8 products
12Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases12
- Windows 10, version 1607 — KB5087537 (B), build 14393.914012 May
- Windows 10, version 1809 — KB5087538 (B), build 17763.875512 May
- Windows 10, version 21H2 — KB5087544 (B), build 19044.729112 May
- Windows 10, version 22H2 — KB5087544 (B), build 19045.729112 May
- Windows 11, version 23H2 — KB5087420 (B), build 22631.707912 May
7 more
- Windows 11, version 24H2 — KB5089549 (B), build 26100.845712 May
- Windows 11, version 25H2 — KB5089549 (B), build 26200.845712 May
- Windows 11, version 26H1 — KB5089548 (B), build 28000.211312 May
- Windows Server 2016 — KB5087537 (B), build 14393.914012 May
- Windows Server 2019 — KB5087538 (B), build 17763.875512 May
- Windows Server 2022 — KB5087545 (B), build 20348.513912 May
- Windows Server 2025 — KB5087539 (B), build 26100.3286012 May
MSRC security releases1
Windows and security news12
- Improving Windows quality: Making Taskbar and Start more personal15 May
- Announcing new builds for 15 May 202615 May
- Edge 148.0.3967.70: Chromium security fixes and 3 Edge-specific fixes15 May
- WAF - WAF Release - 2026-05-15 - Emergency15 May
- Announcing new Release Preview builds for 14 May 202614 May
7 more
- Windows Office Hours: May 21, 202614 May
- VMSA-2026-0003: VMware Fusion updates address privilege escalation vulnerability (CVE-2026-41702)14 May
- Tune in May 18 to ask Microsoft anything about Secure Boot13 May
- GitLab Patch Release: 18.11.3, 18.10.6, 18.9.713 May
- The May 2026 Windows security update is now available12 May
- Configuring firewall and proxies for smooth Windows updates11 May
- WAF - WAF Release - 2026-05-1111 May
Lifecycle milestones in the next 30 days1
- End of servicing: Microsoft Configuration Manager, Version 2409 6 Jun
Product news33
Microsoft Graph · 17
- Security (beta): 1 API change passage17 May
- Teamwork and communications (v1.0): 8 API change passages16 May
- Identity and access (v1.0): 2 API change passages15 May
14 more
- User (v1.0): 2 API change passages15 May
- Compliance (beta): 62 API change passages15 May
- People and workplace intelligence (beta): 3 API change passages14 May
- Security (beta): 2 API change passages13 May
- Applications (v1.0): 11 API change passages13 May
- Files (beta): 1 API change passage13 May
- Files (v1.0): 1 API change passage13 May
- Identity and access (beta): 2 API change passages13 May
- Identity and access (beta): 2 API change passages13 May
- Groups (v1.0): 5 API change passages12 May
- Security (beta): 16 API change passages12 May
- Security (v1.0): 16 API change passages12 May
- Identity and access (v1.0): 1 API change passage12 May
- Backup and recovery (v1.0): 19 API change passages11 May
Windows 365 · 4
- Autopilot device preparation for Cloud PC provisioning is now available11 May
- Improved licensing assignment logic for Cloud PC resize operations is now available11 May
- RDP Multipath with redundant TCP transport paths begins GA rollout11 May
Intune · 2
- Complete Platform SSO registration during macOS Automated Device Enrollment11 May
- Windows Autopilot device preparation in automatic mode for Windows 365 general availability11 May
OpenAI · 2
- Deprecated DALL·E model snapshots and the Realtime API Beta.12 May
- Added return_token_budget for the Responses API web search tool.11 May
Ubiquiti UniFi · 2
Azure · 1
dbatools · 1
- dbatools 2.8.217 May
Defender · 1
Microsoft 365 Blog · 1
Microsoft Graph PowerShell SDK · 1
PnP PowerShell · 1
- PnP.PowerShell 3.2.011 May
Azure updates10
- Update: Microsoft Foundry built-in RBAC role naming and enhancements15 May
- Generally Available: Azure Blob Storage SDK for Rust15 May
- Generally Available: Support for workloads with large files in Azure NetApp Files14 May
- Generally Available: Managed Identity Support for Azure Files SMB Is now GA14 May
- [Launched] Generally Available: Azure Container Apps Express13 May
5 more
- Generally Available: Azure Monitor dashboards with Grafana in Public, Government (Fairfax) and China12 May
- Generally Available: Confidential computing for Azure Service Bus Premium12 May
- Update: 99.99% uptime for all Azure Service Bus Premium namespaces in Availability Zone regions12 May
- Generally Available: Azure Virtual Network Manager rule impact analyzer12 May
- Generally Available: Sentinel TI - improved pattern parsing & revoke reliability12 May
From the community8
- Configure excluded callers for Entra application management policies16 May
- Turn HTML tables into Excel workbooks with PSParseHTML and PSWriteOffice15 May
- AD Fundamentals: Domain Root & AdminSDHolder Permissions14 May
- Use Device Code Flow to register a passkey in Microsoft Authenticator App13 May
- AD Fundamentals: DSHeuristics13 May
Microsoft 365 roadmap28
Purview · 10
- Microsoft Purview compliance portal: Endpoint Data Loss Prevention: Expand protection to Copilot + PC devices for Recall snapshots through custom policies15 May
- Microsoft Purview: Data Loss Prevention- Additional Diagnostics for Data Loss Prevention and Information Protection15 May
- Microsoft Purview Compliance Portal: Enhancements to variant limits and detection groups14 May
7 more
- Microsoft Purview compliance portal: Priva Privacy Management – Multicloud environments14 May
- Microsoft Purview: Data Loss Prevention for Microsoft 365 Copilot to safeguard prompts14 May
- Microsoft Purview: Data Loss Prevention – Enhancements to Data Security Triage Agent14 May
- Microsoft Purview: Data Security Triage agent in DLP is generally available worldwide14 May
- Microsoft Purview: Data Loss Prevention – File Testing Against Sensitive Information Classifiers11 May
- Microsoft Purview: Endpoint Data Loss Prevention - Add support of hyperlinks in warn & block toast messages for Edge browser11 May
- Microsoft Purview: Insider Risk Management – Pay-as-you-go model for Other Generative AI apps indicators11 May
Microsoft 365 Copilot · 7
- Microsoft Copilot (Microsoft 365): Copilot People Connectors introduces people data ingestions with differentiated access control15 May
- Microsoft Copilot (Microsoft 365): Copilot Search Matches on People's Department15 May
- Microsoft Copilot (Microsoft 365): Dynamic Tool Discovery for Declarative Agents and Federated Copilot Connectors13 May
4 more
- Microsoft Copilot (Microsoft 365): Admins will be able to define rules to automate agent lifecycle management.12 May
- Microsoft Copilot (Microsoft 365): Copilot voice support in Word & PowerPoint.11 May
- Microsoft Edge: Microsoft Edge can now send work related browsing history to Copilot for more relevant work results when searching on M365 Copilot search11 May
- Microsoft Edge: v.148 - Shadow AI11 May
Teams · 4
- Microsoft Teams: Brand Impersonation Protection for Teams Calling12 May
- Microsoft Teams: Audio recap language expansion11 May
- Microsoft Teams: Improved keyboard navigation and default line numbers in code blocks11 May
Copilot Studio · 3
- Microsoft Copilot Studio: Supercharge your workflows with computer use15 May
- Microsoft Copilot Studio: Use MCP-compliant tools in agent workflows15 May
- Microsoft Copilot Studio: Invoke agents as workflow steps with the agent node14 May
4 more products · 4 changes
Microsoft 365 admin center · 1
Microsoft Edge · 1
OneDrive · 1
Viva · 1
Other public updates63
- Microsoft Teams: Digital signage support for Teams panels15 May
- Classic Outlook for Windows: User-initiated insights with Copilot15 May
- Security Detection Report in Teams Admin Center15 May
- Department billing for Microsoft 365 Backup15 May
- Microsoft Purview compliance portal: Role groups user interface (UI) enhancements15 May
58 more
- PowerPoint for Windows: Create a presentation with Copilot directly from PowerPoint Home15 May
- PowerPoint for Mac: Create a presentation with Copilot directly from PowerPoint Home15 May
- PowerPoint for the web: Create a presentation with Copilot directly from the PowerPoint web app15 May
- Copilot in SharePoint will start rolling out to all tenants as an opt-out preview starting in mid-June 202615 May
- Dynamics 365 Customer Service - Unlock Workforce Engagement capabilities with Customer Service Enterprise license14 May
- Authoritative Sites for SharePoint in Microsoft Copilot14 May
- OneDrive for Business: Bug fixes to ensure storage quota aligns with license limits14 May
- Microsoft Teams: Standardized preview experience for PowerPoint, Excel, and Word files14 May
- Microsoft Purview Data Loss Prevention: Optical character recognition for images in Office and PDFs on Windows14 May
- New Outlook for Windows: LDAP support for S/MIME certificate lookup14 May
- Microsoft 365 Backup management through SharePoint Admin Center14 May
- Microsoft Purview: Update to ResultCount parameter in the Search-UnifiedAuditLog cmdlet14 May
- Windows Office Hours: May 21, 202614 May
- Dynamics 365 Contact Center - Dynamics 365 Contact Center Certification for Windows 365 Virtual PCs14 May
- Dynamics 365 Sales - Personalize opportunity research in Sales Close Agent14 May
- Dynamics 365 Customer Service- Generate optimized schedule and shift plans using AI for workforce management (Preview)14 May
- Power Automate - Export object-centric process mining data to Microsoft Fabric semantic model14 May
- Dynamics 365 Customer Insights - Data - Use Microsoft Fabric OneLake as a data source14 May
- Power Automate - Debug flows using variable default values14 May
- Power Automate - Create and visualize custom KPIs in the process intelligence experience14 May
- Dynamics 365 Sales - Get lead research and next best actions in Sales Home14 May
- Microsoft Power Automate - Support for normalized schema import for data ingestion14 May
- Power Platform admin center - Discover what's driving engagement with the Usage page14 May
- Power Automate - Restore accidentally deleted flows14 May
- Microsoft Power Automate - Build better forms with integrated Power Apps14 May
- Dynamics 365 Customer Service - Manage intraday operations with AI agent (preview)14 May
- Power Automate - Schedule desktop flows without a cloud flow requirement14 May
- Microsoft Purview: Insider Risk Management-AI app selection for Generative AI apps indicators14 May
- Planner is now available in Outlook and Microsoft 365 Copilot13 May
- Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android)13 May
- Microsoft Teams: Report external users for security concerns13 May
- Viva Engage: Email updates for users without a routable mailbox13 May
- Microsoft Purview | Data Loss Prevention - Enrich Defender alerts Graph API with DLP event data13 May
- Using groups to enable Frontier access in the Frontier Admin Control13 May
- PowerPoint for the web: "Review this presentation" skill in Copilot13 May
- PowerPoint for Mac: "Review this presentation" skill in Copilot13 May
- PowerPoint for Windows desktop: "Review this presentation" skill in Copilot13 May
- PowerPoint for the web: “Visualize this slide” skill in Copilot13 May
- PowerPoint for Mac: “Visualize this slide” skill in Copilot13 May
- PowerPoint for Windows desktop: “Visualize this slide” skill in Copilot13 May
- Broader Windows Autopatch availability to Microsoft 365 Government Community Cloud (GCC)13 May
- Tune in May 18 to ask Microsoft anything about Secure Boot13 May
- Updates available for Microsoft 365 Apps for Monthly Enterprise Channel13 May
- Microsoft Purview Content Explorer and Data Explorer: Data Classification List Viewer role required for data access12 May
- Improving Activity Explorer load performance with updated default time range12 May
- Action required: Upgrade macOS 13 devices to maintain Teams desktop access12 May
- Microsoft 365 Copilot Mobile App: Capability to drive awareness via Notifications on M365 Admin Center12 May
- Collect Diagnostics change to Get Diagnostics for Outlook Mobile and Mac12 May
- Microsoft 365 Copilot: Admins can manage agents at scale with bulk lifecycle actions12 May
- The May 2026 Windows security update is now available12 May
- Microsoft Teams Town halls: Upload custom backgrounds in Manage what attendees see12 May
- Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (iPhone)12 May
- Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Android11 May
- HTML formatting now supported for Message center posts synced to Planner11 May
- Configuring firewall and proxies for smooth Windows updates11 May
- Microsoft Teams: AI-powered notes for in-person meetings with Facilitator in Teams Rooms on Windows11 May
- Dynamics 365 Customer Service- Estimate AI credits for agents from forecasted demand11 May
- Microsoft Power Automate - Automate administrator-level desktop applications in unattended runs11 May
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.