WEEKLY BRIEFING · 7 SEP – 13 SEP 2026 · UTC
Public sources only
185 public updates in week 37
Microsoft published 12 Windows KB releases (12 security). MSRC published September 2026 Security Updates. 56 roadmap changes, led by Microsoft 365 Copilot (11) and Teams (10). CISA added 2 Microsoft CVEs to its Known Exploited Vulnerabilities catalog. Microsoft updated 3 Windows known issues, all resolved. 57 lifecycle milestones fall in the next 30 days. 8 Azure updates, including 1 retirement. 15 Windows and security articles from Microsoft blogs.
12Windows KB releases
1MSRC release note
56Roadmap changes across 13 products
15Windows and security articles
2Microsoft CVEs added to CISA KEV
Security to act on2
Windows releases12
- Windows 10, version 1607 — KB5123099 (B), build 14393.95128 Sep
- Windows 10, version 1809 — KB5122876 (B), build 17763.92458 Sep
- Windows 10, version 21H2 — KB5122878 (B), build 19044.77258 Sep
- Windows 10, version 22H2 — KB5122878 (B), build 19045.77258 Sep
- Windows 11, version 23H2 — KB5122880 (B), build 22631.75828 Sep
7 more
- Windows 11, version 24H2 — KB5124008 (B), build 26100.94458 Sep
- Windows 11, version 25H2 — KB5124008 (B), build 26200.94458 Sep
- Windows 11, version 26H1 — KB5124012 (B), build 28000.29548 Sep
- Windows Server 2016 — KB5123099 (B), build 14393.95128 Sep
- Windows Server 2019 — KB5122876 (B), build 17763.92458 Sep
- Windows Server 2022 — KB5122882 (B), build 20348.56228 Sep
- Windows Server 2025 — KB5122871 (B), build 26100.334388 Sep
MSRC security releases1
Windows and security news15
- Announcing new builds for 11 September 202611 Sep
- 30-Day Reminder: Windows Server 2022 will reach end of mainstream support on October 13, 202611 Sep
- Protecting organizations from AI-assisted executive impersonation and invoice fraud10 Sep
- Announcing Windows 11 Release Preview Builds 26100.9539/26200.953910 Sep
- Windows Office Hours: September 17, 202610 Sep
10 more
- Detect and disrupt AI-themed attacks with Microsoft Defender10 Sep
- Keep Windows activation automation working with PowerShell10 Sep
- Threat matrix: Mapping threats across cloud web applications9 Sep
- IT resources to plan, prepare, and deploy Windows9 Sep
- Retiring NTLM: Frequently asked questions9 Sep
- Announcing new builds for 8 September 20268 Sep
- Listening to families. Improving Microsoft Family.8 Sep
- Helping families and educators support safer experiences and healthier habits on Windows8 Sep
- The September 2026 Windows security update is now available8 Sep
- Securing Your Certification Authorities (Practical PKI Part 4)7 Sep
Windows known issues updated3
Lifecycle milestones in the next 30 days57
- Retirement · 3 products: Azure Functions 1.0 Deprecation, Azure Monitor Data Collector API, Monitoring Support for AKS-Engine 14 Sep
- Retirement · 2 products: Activity logs legacy connector, storage integration API, Azure Maps Gen1 Price Tier 15 Sep
- Retirement: Azure Maps Render V1 17 Sep
- Retirement: Azure Maps Web SDK Map Controls Version 1.xx 19 Sep
- Retirement: SMART on FHIR Proxy in Azure Health Data Services 21 Sep
- Retirement · 11 products: Azure API for FHIR, Azure API for FHIR Gen 1 offering, Azure Container Registry ACR 2017-03-01-(GA) API, Azure FXT Edge Filer, Azure Maps Web SDK v2 Subversion (v2.0~v2.0.32) and Service Module Retirement, Azure Virtual Desktop (Classic), Container Log V1, Get AlertSummary API, Service Bus Control plane APIS v2014-09; v2015-08; v2016-07, Single URL Ping Test in Application Insights, Track 0 and 1 Service Bus SDKs and SBMP protocol 30 Sep
- Retirement · 5 products: Azure Anomaly Detector, Azure Metrics Advisor, Azure Personalizer, Personalizer, Translator Billing Model 1 Oct
- Retirement · 10 products: Access 2021, Excel 2021, Office 2021, OneNote 2021, Outlook 2021, PowerPoint 2021, Project 2021, Publisher 2021, Visio 2021, Word 2021 13 Oct
- End of support · 16 products: Access LTSC 2021, Excel LTSC 2021, Office LTSC 2021, Office LTSC 2021 for Mac, OneNote LTSC 2021, Outlook LTSC 2021, PowerPoint LTSC 2021, Project 2021 (LTSC), Publisher LTSC 2021, Skype for Business LTSC 2021, Visio LTSC 2021, Windows 10 2016 LTSB, Windows 10 IoT Enterprise LTSB 2016, Windows Server 2012 R2, Extended Security Update Year 3, Windows Server 2012, Extended Security Update Year 3, Word LTSC 2021 13 Oct
- End of servicing · 2 products: Dynamics 365 Business Central on-premises (Modern Policy), 2025 release wave 1, version 26.x, Windows 11 Home and Pro, Version 24H2 13 Oct
- Moves to extended support · 5 products: Office LTSC 2021 for Mac, Windows Server 2022, Windows Server 2022 Datacenter: Azure Edition, Windows Server 2022 Standard (MSL), Windows Server IoT 2022 13 Oct
Microsoft product news81
OpenAI News · 19
- Cognition helps Devin test its own work with GPT‑6 Astra11 Sep
- Rapidly scaling online storage to serve over 1 billion ChatGPT users11 Sep
- How a researcher uses Codex and ChatGPT to search for new antimicrobial molecules10 Sep
16 more
- Now everyone can put data to work10 Sep
- Expanding AI access and cyber defense for federal, state, local, and tribal governments10 Sep
- Introducing ChatGPT for Financial Services10 Sep
- Build more natural voice experiences with GPT‑Live‑1 in the API10 Sep
- Introducing the Agents API10 Sep
- Paul Christiano joins OpenAI Foundation Board9 Sep
- The AI policy window is open. We need to act.9 Sep
- GPT-6 Astra: The next generation in intelligence for work9 Sep
- How GPT-5.6 Sol helps run quantum computing experiments8 Sep
- The Work Now Within Reach8 Sep
- Introducing ChatGPT Images 2.58 Sep
- OpenAI expands initiatives to support journalism from classrooms to newsrooms8 Sep
- On the Navier–Stokes Millennium Prize Problem8 Sep
- Funding grants for new research into AI and teen development8 Sep
- 1Password increases engineering productivity 21% with Codex8 Sep
- Supporting independent journalism in Ukraine7 Sep
Jamf Cloud status history · 16
- JAMF Pro - Standard: 11.32 Upgrade for us-west-212 Sep
- JAMF Pro - Standard: 11.32 Upgrade for us-east-212 Sep
- JAMF Pro - Standard: 11.32 Upgrade for eu-central-112 Sep
13 more
- JAMF Pro - HCC: 11.32 Upgrade for us-east-212 Sep
- JAMF Pro - StateRAMP: 11.32 Upgrade for us-east-112 Sep
- JAMF Pro - Azure: 11.32 Upgrade for central-us12 Sep
- JAMF Pro - Standard: 11.32 Upgrade for eu-west-212 Sep
- JAMF Pro - Standard: 11.32 Upgrade for germany-westcentral12 Sep
- JAMF Pro - Standard: 11.32 Upgrade for ap-northeast-111 Sep
- JAMF Pro - Standard: 11.32 Upgrade for ap-southeast-211 Sep
- Continued Maintenance for Jamf Account and Jamf ID11 Sep
- Scheduled Maintenance for Jamf Account and Jamf ID11 Sep
- Jamf Security Cloud - Delay in Data Policy Change Propagation11 Sep
- Jamf Security Cloud (ZTNA): IPSec infrastructure upgrade for us-west-211 Sep
- Content Filtering Not Working10 Sep
- Failure in a shared authentication component caused configuration profile delivery and MDM device communication to return errors for managed Apple devices in the US and EU9 Sep
SQL Server Blog · 11
- Microsoft JDBC Driver 13.6 for SQL Server is now available11 Sep
- mssql-python 1.15.0: Faster, More Reliable, and Built for Your Applications11 Sep
- Microsoft ODBC Driver 18.7.1: smaller vectors, easier configuration, and better cloud routing10 Sep
8 more
- Security Update for SQL Server 2025 RTM CU89 Sep
- Security Update for SQL Server 2025 RTM9 Sep
- Security Update for SQL Server 2022 RTM CU269 Sep
- Security Update for SQL Server 2022 RTM9 Sep
- Security Update for SQL Server 2019 RTM CU329 Sep
- Security Update for SQL Server 2019 RTM9 Sep
- Security Update for SQL Server 2017 RTM CU319 Sep
- Security Update for SQL Server 2017 RTM9 Sep
OpenAI API changelog · 6
- GPT-Live 1 is now generally available in the API.10 Sep
- Released the Agents API in public beta.10 Sep
- You can now set expiration dates when creating project API keys.10 Sep
3 more
- GPT-Rosalind (gpt-rosalind-research) is now generally available through the trusted-access program for approved internal life sciences research.8 Sep
- Prompt Cache Diagnostics is now generally available in the Responses API for GPT-5.6 and later supported models.8 Sep
- Released GPT Image 2.5 Sunburst and GPT Image 2.5 Flare for image generation and editing through the Image API and the Responses API image generation tool.8 Sep
Windows 365 what's new · 4
- Admin Insights for Windows 365 is generally available7 Sep
- Cloud PC recovery is now available for Windows 365 Government7 Sep
- Display Protection for Windows 365 (Public Preview)7 Sep
Jamf Blog · 3
- The IT guide to supporting K-12 numeracy10 Sep
- Manage your Apple fleet as code with Jamf and Terraform9 Sep
- Jamf recognized in Endpoint Management Tools Voice of the Customer: Gartner Peer Insights™ Customers’ Choice 20268 Sep
Claude Platform release notes · 3
- Claude Managed Agents permission policies now include auto: the server evaluates each agent or MCP tool call and runs it, denies it, or pauses for your approval.10 Sep
- Version 1.32.0 of the ant CLI adds ant beta:sessions connect, which attaches your terminal to a Claude Managed Agents session.10 Sep
- For cache diagnostics, the API now stores a request's fingerprint only when the request includes the diagnostics object.9 Sep
Exchange Team Blog · 3
- Notes from the field: testing EWSAllowedAppIDs safely9 Sep
- Released: August 2026 Exchange Server Security Updates8 Sep
- Exchange Server AD FS Modern Authentication: Expanded Outlook client support8 Sep
PowerShell release notes · 3
- v7.4.20 Release of PowerShell8 Sep
- v7.6.6 Release of PowerShell8 Sep
- v7.5.11 Release of PowerShell8 Sep
Microsoft Fabric Updates Blog · 2
- Lineage-aware AI with the Fabric item relations API (Preview)10 Sep
- Accelerate JSON workloads with the Native Execution Engine in Microsoft Fabric10 Sep
Azure Arc Blog · 2
- Workload Orchestration in the Azure portal is now available: Deploy in minutes, scale with ease10 Sep
- Announcing the public preview of Azure Local workload management in Azure Arc Site Manager10 Sep
Google Gemini Blog · 2
- The Gemini app is now available for Windows10 Sep
- 4 ways Gemini makes administrative chores quick and easy9 Sep
Azure DevOps Blog · 1
Sysinternals Blog · 1
- Linux: ProcDump, Procmon, Sysmon; PipeList, ProcExp, ProcMon, PsTools, Sigcheck, Sysmon, and ZoomIt10 Sep
Power BI Updates Blog · 1
SharePoint Blog · 1
Microsoft OneDrive Blog · 1
Microsoft Power Platform Blog · 1
Microsoft Intune what's new · 1
Azure updates8
- Retirement: Azure Linux with OS Guard in Azure Kubernetes Service11 Sep
- [In preview] Public Preview: Agentless migration of on-premises SMB file shares to Azure Files (SMB)11 Sep
- [Launched] Generally Available: TLS/SSL certificate and end-to-end TLS encryption support for Azure Functions Flex Consumption10 Sep
- [Launched] Generally Available: Azure Copilot Troubleshooting Agent10 Sep
- [Launched] Generally Available: User-bound user delegation SAS for Azure Storage9 Sep
From the community12
- Using Patch My PC Win32 Apps with Autopilot12 Sep
- BGP.Exchange Website Compromised (Sept. 12, 2026)12 Sep
- Defender is On. Intune Says Noncompliant12 Sep
- Windows: Remote Desktop Services (RDS) Issues caused by September 2026 Updates Confirmed12 Sep
- Intune Newsletter – 11th September 202611 Sep
7 more
- Why Some DLP Policies Need Days to Start Working11 Sep
- Microsoft Office: September 8, 2026 Update causes (Excel) copy & paste issue10 Sep
- Microsoft Bumps Auto-Expanding Archive Limit Past 1.5 TB10 Sep
- Microsoft Defender XDR Attack Disruption: Automatic Device Isolation Explained9 Sep
- Why Microsoft Graph Does Not Support Group Mailboxes9 Sep
- Entra ID Continuous Access Evaluation and Microsoft 3658 Sep
- Outlook Classic Stamps Its Style on the New Outlook7 Sep
Microsoft 365 roadmap56
Microsoft 365 Copilot · 11
- Microsoft Copilot (Microsoft 365): Edit with Copilot in Excel (Web, Win32, Mac) - GCC11 Sep
- Microsoft Copilot (Microsoft 365): Insights: Copilot Analytics - Cowork adoption and impact11 Sep
- Microsoft Copilot (Microsoft 365): Session and Response Sharing in M365 Copilot11 Sep
8 more
- OneNote: Suggested Artifact Creation in Copilot Notebooks11 Sep
- Word: Copilot edit mode is available to users in Office 365 GCC11 Sep
- Microsoft Copilot (Microsoft 365): New Rich Answer Cards10 Sep
- Microsoft Purview compliance portal: Data Lifecycle Management - Retention based on Last Accessed for files in OneDrive and SharePoint10 Sep
- Planner: Planner Agent chat in Basic Plans9 Sep
- Microsoft Copilot (Microsoft 365): Enhanced personalization with memory in Copilot9 Sep
- Microsoft Clipchamp: Upgraded music selection for Copilot AI Videos8 Sep
- Microsoft Copilot (Microsoft 365): AI Generated video drafts include text animations and new layout options8 Sep
Teams · 10
- Microsoft Teams: Coordinated meetings support on Teams Rooms on Android11 Sep
- Microsoft Teams: Organize important resources in chats and channels11 Sep
- Microsoft Teams: Teams events attendance and engagement report policy11 Sep
7 more
- Microsoft Teams: Clearer text highlighting in dark mode and high contrast mode10 Sep
- Microsoft Teams: Ability to separate out the Townhall attendee invites9 Sep
- Microsoft Teams: Advanced Collaboration Analytics for GCC9 Sep
- Microsoft Teams: Breakout room support on Teams Rooms on Android9 Sep
- Microsoft Teams: Call quality feedback surveys for Teams Rooms on Android9 Sep
- Microsoft Teams: Connect Teams meeting to existing Planner Plans9 Sep
- Microsoft Teams: Collect information with list form in Workflows8 Sep
Purview · 8
- Microsoft Purview: Data Lifecycle Management - Retention capabilities based on files Last Accessed in OneDrive and SharePoint10 Sep
- Microsoft Purview: Endpoint Data Loss Prevention-Archive File Classification Behavior Change for Windows Endpoints10 Sep
- Data Loss Prevention- DLP Policy Change Insights with Security Copilot9 Sep
5 more
- Microsoft Purview compliance portal: Data Lifecycle Management - Apply a retention policy to Microsoft Planner content9 Sep
- Microsoft Purview compliance portal: Data Lifecycle Management - Introduction of secure workflow to bypass legal holds and retention policies8 Sep
- Microsoft Purview: Data Lifecycle Management - DLM Meter Change8 Sep
- Microsoft Purview: Data Loss Prevention for Microsoft Cowork8 Sep
- Microsoft Purview: Integration with Entra GSA Internet Access to enable sensitive file filtering at the network layer8 Sep
Viva · 8
- Microsoft Viva: Discussion Post Previews11 Sep
- Microsoft Viva: Copilot Enhanced Topic Assignment10 Sep
- Microsoft Viva: Rolling out Custom branding in Engage9 Sep
5 more
- Microsoft Viva: Viva Glint - Topic Assignments Included in Comment Report Export9 Sep
- Microsoft Viva: Copilot Analytics - Agent value insights in Agent 365 Dashboard8 Sep
- Microsoft Viva: Copilot Analytics - Export metrics in the Copilot Dashboard at Day Level8 Sep
- Microsoft Viva: Viva Glint - Configure user and survey data retention for deleted users in Viva Glint8 Sep
- Microsoft Viva: Viva Glint - Survey taking experience refinements8 Sep
9 more products · 19 changes
Outlook · 4
- Outlook: Co-Authoring Highlight and Rewrite11 Sep
- Outlook: Customize the classic ribbon11 Sep
- Outlook: Inline chat for email drafting9 Sep
- Outlook: Categorize Emails by Dragging Them onto a Favorite Category8 Sep
OneDrive · 3
- OneDrive: Document library views now available in OneDrive11 Sep
- OneDrive: Refreshed Libraries View in OneDrive Web11 Sep
- OneDrive: Sync support for up to 1 million items on macOS8 Sep
Planner · 3
- Planner: My Tasks redesign9 Sep
- Planner: Add times to task start, finish, and due dates8 Sep
- Planner: Task History8 Sep
Dynamics 365 · 2
- Dynamics 365 Field Service: Streamline mobile work with an optimized Subgrid control11 Sep
- Dynamics 365 Finance: Support requirements of tax reform in Brazil in 20278 Sep
Microsoft 365 · 2
- Microsoft 365: [Education] Control access to Learning Activities and Teach11 Sep
- Microsoft 365: Teams Channel Backup8 Sep
Microsoft Edge · 2
- Microsoft Edge: Adding support for viewing Sensitivity labels applied to a Microsoft Information Protection (MIP) Protected PDF11 Sep
- Microsoft Edge: Allow M365 authentication popups in work profiles8 Sep
Access · 1
Microsoft 365 app · 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.