WEEKLY BRIEFING · 26 JAN – 1 FEB 2026 · UTC
Public sources only
83 public updates in week 5
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. 5 Windows and security articles from Microsoft blogs.
2Windows KB releases
0MSRC release notes
30Roadmap changes across 10 products
5Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases2
Windows and security news5
- 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
- Secure Time Seeding on DCs: A Note from the Field26 Jan
Microsoft product news46
Microsoft Entra what's new · 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 Defender for Cloud release notes · 7
- Binary drift now supports blocking (Preview)1 Feb
- Container runtime anti-malware detection and blocking (Preview)1 Feb
- Database-level recommendations experience for SQL Vulnerability Assessment (Preview)1 Feb
4 more
Classic Outlook known issues · 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
Microsoft Graph changelog · 4
- Security (v1.0): Added the reportFileMetadata property to the ediscoveryPurgeDataOperation resource.30 Jan
- Identity and access (v1.0): Added the openIdConnectSetting resource. (+1 more)30 Jan
- Identity and access (v1.0): Added the externalAuthenticationMethods relationship to the authentication resource. (+8 more)27 Jan
Microsoft Defender XDR what's new · 3
- (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
- Microsoft Defender Experts Hunting customers can now set up Notification contacts.1 Feb
Copilot Studio what's new · 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
Microsoft Defender for Identity what's new · 2
Microsoft Sentinel what's new · 2
- Generate playbooks using AI in Microsoft Sentinel (Preview)1 Feb
- Microsoft Sentinel UEBA behaviors layer is now generally available1 Feb
Azure Connected Machine agent release notes · 1
Microsoft Defender for Office 365 what's new · 1
Gemini API release notes · 1
- Launched support for the Computer Use tool in gemini-3-pro-preview and gemini-3-flash-preview.29 Jan
Windows 365 what's new · 1
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
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.