WEEKLY BRIEFING · 8 JUN – 14 JUN 2026 · UTC
Public sources only
118 public updates in week 24
Microsoft published 12 Windows KB releases (12 security). MSRC published 201 new Microsoft CVEs, 32 critical. 42 roadmap changes, led by Microsoft 365 Copilot (13) and Outlook (10). 11 lifecycle milestones fall in the next 30 days. 1 Azure update. 13 Windows and security articles from Microsoft blogs.
12Windows KB releases
1MSRC release note
42Roadmap changes across 9 products
13Windows and security articles
201Microsoft CVEs published · 32 critical
Security to act on3
Windows releases12
- Windows 10, version 1607 — KB5094122 (B), build 14393.92349 Jun
- Windows 10, version 1809 — KB5094123 (B), build 17763.88809 Jun
- Windows 10, version 21H2 — KB5094127 (B), build 19044.74179 Jun
- Windows 10, version 22H2 — KB5094127 (B), build 19045.74179 Jun
- Windows 11, version 23H2 — KB5093998 (B), build 22631.72199 Jun
7 more
- Windows 11, version 24H2 — KB5094126 (B), build 26100.86559 Jun
- Windows 11, version 25H2 — KB5094126 (B), build 26200.86559 Jun
- Windows 11, version 26H1 — KB5095051 (B), build 28000.22699 Jun
- Windows Server 2016 — KB5094122 (B), build 14393.92349 Jun
- Windows Server 2019 — KB5094123 (B), build 17763.88809 Jun
- Windows Server 2022 — KB5094128 (B), build 20348.52569 Jun
- Windows Server 2025 — KB5094125 (B), build 26100.329959 Jun
MSRC security releases1
Windows and security news13
- Announcing new builds for 12 June 202612 Jun
- 30-Day Reminder: Final deployment phase for Kerberos RC4 hardening begins with the July 2026 Windows security update12 Jun
- Windows Office Hours: June 18, 202611 Jun
- Reduce unnecessary internet exposure with Microsoft Defender11 Jun
- Oracle Security Alert Advisory - CVE-2026-3527311 Jun
8 more
- What is going on with RC4 in Kerberos?10 Jun
- The June 2026 Windows security update is available10 Jun
- New Exchange Online Mailbox Auditing Signal: Visibility into IPM to Non-IPM Copy Activity10 Jun
- Microsoft Defender now monitors RPC activity9 Jun
- Elevate your telemetry using custom data collection in Microsoft Defender9 Jun
- Announcing new builds 8 June 20268 Jun
- XBOX Games Showcase 2026 recap8 Jun
- Security Review for Microsoft Edge version 1498 Jun
Lifecycle milestones in the next 30 days11
- End of support · 11 products: Dynamics GP 2016, Dynamics GP 2016 R2, Infopath 2013, Project Server 2016, Project Server 2019, SharePoint Designer 2013, SharePoint Server 2016, SharePoint Server 2019, SQL Server 2014, Extended Security Updates Year 2, SQL Server 2016, Visual Studio 2022 , Version 17.12 (LTSC channel) 14 Jul
Microsoft product news43
Microsoft Intune what's new · 13
- APP Multiple Managed Accounts8 Jun
- Detect and block Shadow AI using the properties catalog, device query, and a security baseline (preview)8 Jun
- Grant enhanced security permissions to a Mobile Threat Defense app on Android8 Jun
10 more
- In-place renewal of Cloud PKI issuing certification authorities (CAs)8 Jun
- Managed Home Screen exit lock task mode password now requires a device configuration profile8 Jun
- New Block Bluetooth sharing setting in the Android Enterprise settings catalog8 Jun
- New Microsoft Edge settings in the Windows settings catalog8 Jun
- New Wired Networks device configuration profile for iOS/iPadOS8 Jun
- Newly available protected apps for Intune8 Jun
- Silence apps on Managed Home Screen to prevent session PIN bypass8 Jun
- Strict Tunnel Mode for Microsoft Tunnel on Android8 Jun
- Use DDM to manage Apple Intelligence settings on devices running 26.4 and later8 Jun
- Vulnerability Remediation Agent now uses Microsoft Entra agentic identity (preview)8 Jun
Claude Platform release notes · 9
- The code execution tool now supports code_execution_20260521, which discloses the 90-second per-cell execution time limit in the tool description so Claude can budget lo…11 Jun
- The web search tool and web fetch tool now support web_search_20260318 and web_fetch_20260318, adding a response_inclusion parameter to drop consumed result blocks from…11 Jun
- The GET /v1/environments/{id}/work endpoint, which lists pending work for a self-hosted sandbox, is now available on Claude Platform on AWS.10 Jun
6 more
- Claude Fable 5 and Claude Mythos 5 use the tokenizer introduced with Claude Opus 4.7.9 Jun
- Claude Fable 5 runs safety classifiers on requests and during response generation.9 Jun
- On Claude Fable 5 and Claude Mythos 5, adaptive thinking is the only thinking mode: thinking: {"type": "disabled"} is not supported, and manual extended thinking budgets…9 Jun
- On Claude Fable 5 and Claude Mythos 5, thinking.display defaults to "omitted", the same as Claude Opus 4.8, Claude Opus 4.7, and Claude Mythos Preview; set display: "sum…9 Jun
- The stop_details.category field on refusal responses now includes "reasoning_extraction" on Claude Fable 5, returned when a request is blocked under Anthropic's Terms of…9 Jun
- We've launched Claude Fable 5 (claude-fable-5), our most capable model open to all customers, alongside Claude Mythos 5 (claude-mythos-5) for Project Glasswing participa…9 Jun
Microsoft OneDrive Blog · 7
- Making Mac OneDrive Faster and More Reliable11 Jun
- OneDrive Office Hours | December 20258 Jun
- NOW ON DEMAND | OneDrive Office Hours | January 20268 Jun
4 more
Microsoft Graph changelog · 6
- Identity and access (beta): Added the delegatedBy property to the accessReviewInstance resource to identify the users who delegated an access review to the current rev… (+3 more)11 Jun
- Reports (beta): Added the passwordSubmit member to the authenticationEventType enumeration.11 Jun
- Files (beta): Added the @microsoft.graph.conflictBehavior annotation parameter to the Create fileStorageContainer permissions method to control the behav…11 Jun
3 more
- Files (beta): Added the Get fileStorageContainer permission method to the fileStorageContainer resource. (+2 more)11 Jun
- Files (v1.0): Added the @microsoft.graph.conflictBehavior annotation parameter to the Create fileStorageContainer permissions method to control the behav…11 Jun
- Files (v1.0): Added the Get fileStorageContainer permission method to the fileStorageContainer resource.11 Jun
Microsoft Teams Blog · 2
- Workplace presence, made effortless: Workplace check-in via Wi-Fi for Microsoft Places and Teams12 Jun
- Making Microsoft Teams more responsive, reliable, and ready for work10 Jun
Microsoft 365 Blog · 1
Sysinternals Blog · 1
- Process Monitor v4.0310 Jun
Microsoft Purview Blog · 1
Azure Infrastructure Blog · 1
OpenAI API changelog · 1
Windows 365 what's new · 1
Azure updates1
From the community6
- Microsoft to Delete Unlicensed OneDrive for Business Accounts12 Jun
- Primer: Finding Sensitivity Labels with PowerShell11 Jun
- Restricting Access is The Most Important Step in a Microsoft 365 Copilot Deployment10 Jun
- How to Find Inactive (Stale) User Accounts9 Jun
- Disable alert generation for Unsanctioned Apps in Microsoft Defender for Cloud Apps8 Jun
Microsoft 365 roadmap42
Microsoft 365 Copilot · 13
- Microsoft Copilot (Microsoft 365): Mind Maps in Copilot Notebooks12 Jun
- Microsoft Copilot (Microsoft 365): Quickly launch the Microsoft 365 Copilot app on your iOS device11 Jun
- Microsoft 365 Copilot: Initiate Copilot Chat by sharing files to the Microsoft 365 Copilot app on iPhone and iPad9 Jun
10 more
- Microsoft Copilot (Microsoft 365): Copilot Chat-centered experience for creating new documents in the Microsoft 365 Copilot app on iPhone and iPad9 Jun
- Microsoft Copilot (Microsoft 365): Learning Agent in Microsoft 365 Copilot9 Jun
- Microsoft Copilot (Microsoft 365): Microsoft Copilot (Microsoft 365): Open Word, Excel, and PowerPoint Files in Copilot Chat9 Jun
- Microsoft Copilot (Microsoft 365): Preview and chat with Microsoft Word, Excel, and PowerPoint files in the Microsoft 365 Copilot app on iPhone9 Jun
- Microsoft Copilot (Microsoft 365): Copilot uses enterprise assets hosted on Adobe Experience Manager when creating presentations9 Jun
- Microsoft Copilot (Microsoft 365): Copilot uses enterprise assets hosted on Adobe Experience Manager when creating presentations9 Jun
- Microsoft Copilot (Microsoft 365): Copilot uses enterprise assets hosted on Adobe Experience Manager when creating presentations9 Jun
- Microsoft Copilot (Microsoft 365): Copy Tables in Microsoft 365 Copilot Chat9 Jun
- Microsoft Copilot (Microsoft 365): Researcher Output Formats9 Jun
- Microsoft Edge: v. 149 - Unifying Copilot Chat policy controls9 Jun
Outlook · 10
- Outlook: Account Manager12 Jun
- Outlook: Copilot in File Previewer for iOS9 Jun
- Outlook: Font Search in Outlook for Android9 Jun
7 more
- Outlook: Font Search in Outlook for iOS9 Jun
- Outlook: Improved results when filtering your message list9 Jun
- Outlook: Reply Options for EML Attachments9 Jun
- Outlook: Reply Options for EML Attachments9 Jun
- Outlook: Shareable links now show as the document name in meeting descriptions9 Jun
- Outlook: Add support for Recommended Labels in Outlook mobile9 Jun
- Outlook: Add support for Recommended Labels in Outlook mobile9 Jun
Purview · 6
- Microsoft Purview: Data Loss Prevention- Data Loss Prevention to safeguard sensitive web search in Microsoft 356 Copilot and Copilot Chat12 Jun
- Microsoft Purview: Insider Risk Management – Ability to create cases without content in IRM11 Jun
- Microsoft Purview: Data Security Triage Agent - Sensitive Data Remediation through Microsoft Teams10 Jun
3 more
Microsoft Edge · 3
- Microsoft Edge: Enterprise WebView2 runtime downgrade via Downgrade Version policy10 Jun
- Microsoft Edge: v. 149 - Clarify choices surrounding third-party cookie settings9 Jun
- Microsoft Edge: v.149 - Modern, unified, and updated Look and Feel9 Jun
5 more products · 10 changes
Teams · 3
- Microsoft Teams: Adaptive card-based app & copilot agent link unfurling in Teams12 Jun
- Microsoft Teams: BYOD space peripheral health signals and reports in the Pro Management portal9 Jun
- Microsoft Teams: Upload custom backgrounds for Teams events9 Jun
Viva · 3
- Microsoft Viva: Copilot Analytics: "All"- licensed user page Copilot dashboard12 Jun
- Microsoft Viva: Viva Glint - Remove bulk users from closed survey11 Jun
- Microsoft Viva: Copilot Analytics - Onboarding emails for Leaders9 Jun
OneDrive · 2
- OneDrive: Collaborate on Markdown files with co-authoring and autosave12 Jun
- OneDrive: Transfer ownership of departing employees’ files with ease9 Jun
Defender · 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.