WEEKLY BRIEFING · 26 JAN – 1 FEB 2026 · UTC
Full source inventory · public sources only
Week 5 sources
Microsoft published 2 Windows KB releases (2 optional previews). No new MSRC release that week. 30 roadmap changes, led by Purview (7) and Teams (7). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 8 Azure updates, including 2 retirements. 7 Windows and security articles from Microsoft blogs.
2Windows KB releases
30Roadmap changes across 10 products
7Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases2
Windows and security news7
- Edge 144.0.3719.104: Chromium security fixes29 Jan
- Announcing Windows 11 Insider Preview Build 28020.1495 (Canary Channel)28 Jan
- Releasing Windows 11 Builds 26100.7701 and 26200.7701 to the Release Preview Channel27 Jan
- Announcing Windows 11 Insider Preview Build 26300.7674 (Dev Channel)27 Jan
- Announcing Windows 11 Insider Preview Build 26220.7670 (Beta Channel)27 Jan
Product news60
Defender · 17
- (GA) The following advanced hunting schema tables are now generally available: The IdentityAccountInfo table contains information about account information from various…1 Feb
- (GA) The following content types are now generally available for distribution across multiple tenants in the Microsoft Defender multitenant portal: analytics rules, auto…1 Feb
- Binary drift now supports blocking (Preview)1 Feb
14 more
- Container runtime anti-malware detection and blocking (Preview)1 Feb
- Database-level recommendations experience for SQL Vulnerability Assessment (Preview)1 Feb
- Defender for Endpoint Linux 101.25122.00041 Feb
- Defender for Endpoint macOS 101.25122.00081 Feb
- Defender for Endpoint macOS 101.26012.00121 Feb
- Defender for Endpoint Windows 10.88211 Feb
- Defender for Identity sensor updates1 Feb
- Expanding User reporting in Teams to Defender for Office 365 Plan 11 Feb
- Microsoft Defender Experts Hunting customers can now set up Notification contacts.1 Feb
- New Defender for Identity security alerts1 Feb
- Scanning support for Minimus and Photon OS container images1 Feb
- Simulate alerts for SQL servers on machines1 Feb
- Threat protection for AI agents (Preview)1 Feb
- Updated CIEM recommendation logic1 Feb
Microsoft Entra · 14
- General Availability - Custom banned password lists supported in Microsoft Entra External ID1 Feb
- General Availability - Custom Block pages1 Feb
- General Availability - Delegated Workflow Management in Lifecycle Workflows1 Feb
11 more
- General Availability - Device authorization grant flow in Microsoft Entra External ID1 Feb
- General Availability - Expanded attribute support in Lifecycle Workflows attribute changes trigger1 Feb
- General Availability - External MFA is Generally Available1 Feb
- General Availability - Microsoft Entra Connect Sync now supports Windows Server 20251 Feb
- General Availability - Microsoft Entra Provisioning Service available in Microsoft Azure operated by 21Vianet1 Feb
- General Availability - Revoke previously approved access package assignments in My Access1 Feb
- General Availability - Sign-in with username/alias1 Feb
- Public Preview - BYOD support for Windows client using Microsoft Entra registration1 Feb
- Public Preview - New end user homepage in My Account1 Feb
- Upcoming change – Microsoft Entra Connect security update to block hard match for users with Microsoft Entra roles1 Feb
- Upcoming Changes – Jailbreak/root Detection in Authenticator App1 Feb
Microsoft Graph · 7
- Security (beta): 1 API change passage30 Jan
- Security (v1.0): 1 API change passage30 Jan
- Identity and access (v1.0): 2 API change passages30 Jan
4 more
Outlook · 7
- [BY DESIGN] Users might get an error applying an encrypted sensitivity label when replying to an encrypted message sent from an external organization1 Feb
- [FIXED]1 Feb
- [FIXED] Classic Outlook adds table borders to signatures after updating to Version 25121 Feb
4 more
- [FIXED] Classic Outlook recipients are unable to open "Encrypt Only" emails1 Feb
- [INVESTIGATING] Mouse pointer disappears when hovering over classic Outlook1 Feb
- [INVESTIGATING] Users get error "There was an error reading the rules from the server" after making changes to rules in classic Outlook1 Feb
- [INVESTIGATING] Users may experience an error when updating a meeting in their own or a shared calendar1 Feb
Copilot Studio · 3
- Enhancements to the prompt builder include: Configure content moderation sensitivity per prompt to control how hate/fairness, sexual, violence, and self‑harm content is…1 Feb
- Improved agent responses for ticket‑based Microsoft 365 Graph connectors.1 Feb
- Select Claude Sonnet 4.5 (beta) for Computer Use agents.1 Feb
ADEssentials · 2
- ADEssentials 1.0.127 Jan
- ADEssentials 1.0.026 Jan
Commercial changes · 2
Sentinel · 2
- Generate playbooks using AI in Microsoft Sentinel (Preview)1 Feb
- Microsoft Sentinel UEBA behaviors layer is now generally available1 Feb
Azure Arc · 1
Azure PowerShell · 1
dbatools · 1
- dbatools 2.7.2331 Jan
Google Gemini · 1
- Launched support for the Computer Use tool in gemini-3-pro-preview and gemini-3-flash-preview.29 Jan
Intune · 1
Windows 365 · 1
Azure updates8
- Retirement: "Send data to Event Hubs & Storage (Preview)" retiring July 31, 202630 Jan
- Retirement: Support for Python 3.10 ends on October 1, 2026 – upgrade your Azure Functions apps to Python 3.1328 Jan
- Generally Available: Azure AMD Turin Dasv7, Easv7, and Fasv7-series Virtual Machines28 Jan
- Generally Available: Azure Databricks Agent Bricks Knowledge Assistant28 Jan
- Generally Available: Latest PostgreSQL minor versions supported by Azure Database for PostgreSQL – Flexible Server28 Jan
From the community4
Microsoft 365 roadmap30
Purview · 7
- Microsoft Purview: Endpoint DLP - Enhanced content extraction and file type coverage for DLP on Mac devices30 Jan
- Microsoft Purview: Data Lifecycle Management-Auto-Archive for Exchange Online29 Jan
- Microsoft Purview Compliance Portal: Information Protection - Admin unit scoping in Content Explorer and Data Explorer28 Jan
4 more
- Microsoft Purview: Data Lifecycle Management-Introduction of secure workflow to bypass retention holds and delete Teams transcripts and/or Teams recordings28 Jan
- Microsoft Purview: Information Protection-Content Explorer – Enhanced Tag (SIT, Labels) Filter at UI Layer28 Jan
- Microsoft Purview: Information Protection-Email attachment Preview in Activity Explorer28 Jan
- Microsoft Purview: Endpoint Data Loss Prevention- Source context based file protection for Endpoint27 Jan
Teams · 7
- Microsoft Teams: Ability for IT admins to customize the user notification strings for recording and transcription30 Jan
- Microsoft Teams: Automatic removal of EXIF data from shared images30 Jan
- Microsoft Teams: Front-of-room view control for Town Hall and Webinar in Teams Rooms on Windows30 Jan
4 more
Microsoft 365 Copilot · 3
- Microsoft Copilot (Microsoft 365): Customize M365 Copilot for your organization with Copilot Tuning30 Jan
- PowerPoint: Designer is now part of Copilot, enhanced with new template and slide Suggestions.30 Jan
- Microsoft Copilot (Microsoft 365): In Copilot Pages, the Chat can now be used to modify the Page29 Jan
Microsoft Edge · 3
- Microsoft Edge: v.144 - Improved Autofill experience in Microsoft Edge28 Jan
- Microsoft Edge: v.144 - New WebGL software backend28 Jan
- Microsoft Edge: v.144 - Tenant Restrictions v2 (TRv2)28 Jan
6 more products · 10 changes
Outlook · 3
- Outlook: Updated Copilot Button for Android29 Jan
- Outlook: Outlook for Android supports PDF attachment preview28 Jan
- Outlook: People Hub improvements in new Outlook for Windows28 Jan
Viva · 3
- Microsoft Viva: Copilot Analytics - Highlights on Copilot adoption from Viva Engage29 Jan
- Microsoft Viva: Focus Area simplification and enhancements28 Jan
- Microsoft Viva: Update storyline cover photos in Teams for iOS.28 Jan
Excel · 1
Intune · 1
Microsoft 365 · 1
SharePoint · 1
Other public updates31
- Dynamics 365 Contact Center - Leverage Quality Evaluation Agent simulation to test & fine tune evaluation criteria31 Jan
- Dynamics 365 Customer Service - Leverage Quality Evaluation Agent simulation to test & fine tune evaluation criteria31 Jan
- Dynamics 365 Contact Center - Quality Evaluation Agent Evaluation Criteria Extensibility31 Jan
- Dynamics 365 Customer Service - Quality Evaluation Agent Evaluation Criteria Extensibility31 Jan
- Dynamics 365 Contact Center - Quality Evaluation Agent evaluation criteria versioning31 Jan
26 more
- Dynamics 365 Customer Service - Quality Evaluation Agent Evaluation Criteria Extensibility31 Jan
- Drawn electronic signatures with eSignature for Microsoft 36530 Jan
- Copilot Studio product terms update for Bing query data30 Jan
- Microsoft Entra ID Governance: Azure subscription required to continue using guest governance features30 Jan
- Microsoft Purview | eDiscovery: Tenant level process report30 Jan
- Dynamics 365 Contact Center – Desktop Companion App support for Embedded Mode30 Jan
- Trust DigiCert Global Root G2 certificate authority to avoid Exchange Online email disruption30 Jan
- Updated feedback experience for Microsoft Planner30 Jan
- The January 2026 Windows non-security preview update is now available29 Jan
- Upcoming Conditional Access change: Improved enforcement for policies with resource exclusions29 Jan
- Microsoft Teams: Report a suspicious call29 Jan
- Microsoft Teams: New Drafts quick view29 Jan
- Open Outlook emails directly in Copilot chat29 Jan
- Microsoft Teams: View code blocks on mobile29 Jan
- Updates available for Microsoft 365 Apps for Current Channel28 Jan
- An updated version of the January 2026 Scan Cab is available28 Jan
- SharePoint: Migrate the Maps web part to Azure Maps28 Jan
- Microsoft 365 Copilot: Pay-as-you-go consumption for the Copilot Retrieval API28 Jan
- New Built-in Alert Tuning Rules optimize your incident and alert queues28 Jan
- Microsoft 365 Copilot: User-day export for Copilot dashboard metrics in public preview28 Jan
- Microsoft Defender for Android: End of support for Android 10 devices28 Jan
- Email customization is now available in Site Lifecycle Management Policies28 Jan
- Outlook mobile: Users can open and send Outlook File Template (OFT) files27 Jan
- Automatic synchronization with device time zone, no client restart required27 Jan
- Microsoft Viva Glint: Copilot will default to ON and move to VFAM as the single control27 Jan
- Take Action: Out-of-band update to address cloud‑backed storage application issues26 Jan
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.