WEEKLY BRIEFING · 29 SEP – 5 OCT 2025 · UTC
Public sources only
33 public updates in week 40
Microsoft published 1 Windows KB release (1 optional preview). No new MSRC release that week. 6 roadmap changes, led by Intune (4) and Microsoft 365 Copilot (1). 4 Windows and security articles from Microsoft blogs.
1Windows KB release
0MSRC release notes
6Roadmap changes across 3 products
4Windows and security articles
Windows releases1
Windows and security news4
- Oracle Security Alert for CVE-2025-61882 - 4 October 20254 Oct
- Windows 11, version 25H2 security baseline30 Sep
- VMSA-2025-0015: VMware Aria Operations and VMware Tools updates address multiple vulnerabilities (CVE-2025-41244,CVE-2025-41245, CVE-2025-41246)29 Sep
- VMSA-2025-0016: VMware vCenter and NSX updates address multiple vulnerabilities (CVE-2025-41250, CVE-2025-41251, CVE-2025-41252)29 Sep
Microsoft product news21
Copilot Studio what's new · 8
- (Preview) Accelerate flow execution to minimize timeouts and deliver a faster, smoother user experience.1 Oct
- (Preview) Evaluate your agents using customizable test sets—whether uploaded, manually created, or AI-generated.1 Oct
- (Preview) Group related user questions into themes and drill down into analytics to uncover patterns and gain deeper insights.1 Oct
5 more
- Access a unified activity and transcript view, pin sessions, and submit feedback for faster, more effective troubleshooting.1 Oct
- Learn about Copilot Agent Kit, a suite of tools developed by the Power Customer Advisory Team (Power CAT) to help test custom agents, validate AI-generated content, anal…1 Oct
- Track time and cost savings for both autonomous and conversational agents to measure ROI and optimize performance.1 Oct
- Updates for models used in Copilot Studio: Between October 27 and 31, 2025, GPT‑4o will be retired in Copilot Studio for agents using generative orchestration, except fo…1 Oct
- Use the Model Context Protocol (MCP) server to access dynamic, real-time content—such as files, database records, and API responses—for richer context and improved agent…1 Oct
Gemini API release notes · 2
- Launched Gemini 2.5 Flash Image GA: Image Generation with Gemini2 Oct
- The following Gemini 1.5 models are now shut down: gemini-1.5-pro gemini-1.5-flash-8b gemini-1.5-flash29 Sep
Microsoft Defender XDR what's new · 2
- Microsoft Defender Experts Hunting reports now include an Emerging threats section that details the proactive, hypothesis-based hunts Defender Experts conducted in your…1 Oct
- Microsoft Defender Experts MDR reports now include a Trends tab that provides you with the monthly volume of investigated and resolved incidents for the last six months.1 Oct
Classic Outlook known issues · 2
- [FIXED] Error opening classic Outlook: "Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The attempt to log on to Microsoft Exchange has failed."1 Oct
- [FIXED] Known issues with classic Outlook Desktop Shared Calendar Improvements1 Oct
Microsoft Purview Blog · 1
Azure Connected Machine agent release notes · 1
Azure Virtual Desktop what's new · 1
Microsoft Sentinel what's new · 1
Microsoft Defender for Office 365 what's new · 1
OpenAI API changelog · 1
Microsoft Graph PowerShell SDK release notes · 1
From the community1
Microsoft 365 roadmap6
Intune · 4
- Microsoft Intune: Windows Quality Update management policies3 Oct
- Microsoft Intune: Additional granular RBAC controls to manage Antivirus, Firewall, BitLocker, and Endpoint Detection and Response endpoint security workloads1 Oct
- Microsoft Intune: Intune settings available in Catalog and Account Protection template for Adminless feature1 Oct
1 more
Microsoft 365 Copilot · 1
Viva · 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.