Introducing Windows Admin Center: Virtualization Mode (vMode)
Windows news · Windows Server Blog
Weekly briefing
Week 47 · 17 Nov – 23 Nov 2025 UTC · assess the changes, then plan the next dates.
All dated changes in this period
431 source records · 98 groupsMessage CenterDefender / Intune / Microsoft Entra / Purview
MC1187672: Get ready for security agents: Microsoft Security Copilot will be included in Microsoft 365 E5
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Entra, Microsoft Intune, Microsoft Defender XDR, Microsoft Purview
Message CenterMicrosoft 365 Message Center Archive by Merill Fernando
MC1162083: Microsoft 365 Copilot: Agent Mode available in Excel Labs add-in (Frontier preview)
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 for the web
Message CenterTeams
MC1187679: Microsoft Teams: Protection against tenant-owned domain impersonation in Teams chat
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Message CenterViva2 source records
Message Center · Stay informed · 2 entries
- MC1187804: Microsoft Viva Engage: Multi-language post creation support rolling out to general availability (GA)
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Viva
- MC1187849: Microsoft Viva Engage: Behavior change to Engage “featured conversations” in public communities
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Viva
ReleasesAzure CLI2 source records
Tool release · 2 entries
- Azure CLI · Stable: 2.80.0
New version · GitHub release record · package availability may differ
Assessment context
RoadmapMicrosoft 365 Copilot / SharePoint
SharePoint: Get relevant information from Lists in Knowledge Agent
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
RoadmapMicrosoft 365 Copilot
Microsoft Copilot (Microsoft 365): Simplified Agent Creation experience
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
Message CenterDefender2 source records
Message Center · Plan for change · 2 entries
- MC1187397: Microsoft Defender for Endpoint: Threat actor attribution information will be removed from alert page
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Assessment context
Microsoft marks it a major change
- MC1187386: Microsoft Defender for Identity alerts transitioning to XDR-based detection platform
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message CenterTeams3 source records
Notice updated · 3 entries
- MC1148539: Microsoft Teams: Malicious URL Protection for Teams Chat and Channels
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Assessment context
Microsoft asks admins to prevent or fix an issue
- MC1148540: New file protection in Teams chat and channels blocks unsafe content
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Assessment context
Microsoft asks admins to prevent or fix an issue
SecurityCloudflare
WAF - WAF Release - 2025-11-17
Security advisory · Cloudflare WAF changelog
Assessment context
Release notes name CVE-2025-6205
CVE-2025-6205
Updates and guidanceAzure5 source records
Azure update · 5 entries
Updates and guidanceDefender
Defender for Endpoint Android 1.0.8315.0101
Product news · Defender for Endpoint Android releases
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando
Updates and guidanceMicrosoft Graph88 source records
Graph announcement · 10 passages · 11 entries
- Agents (beta): 10 API change passages
Graph announcement · 10 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Agents (beta): 2 API change passages
Graph announcement · 2 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Agents (beta): 23 API change passages
Graph announcement · 23 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
Show the other 8 entries
- Agents (beta): 4 API change passages
Graph announcement · 4 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Agents (beta): 6 API change passages
Graph announcement · 6 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Identity and access (beta): 13 API change passages
Graph announcement · 13 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Identity and access (beta): 5 API change passages
Graph announcement · 5 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Reports (beta): 13 API change passages
Graph announcement · 13 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Reports (beta): 3 API change passages
Graph announcement · 3 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Security (beta): 2 API change passages
Graph announcement · 2 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
- Security (v1.0): 7 API change passages
Graph announcement · 7 passages · Microsoft Graph changelog
Assessment context
Publisher announcement group; its passages may describe different API changes
Updates and guidanceWindows 3652 source records
Product news · 2 entries
- Windows 365 Reserve now generally available
Product news · Windows 365 what's new
- Windows 365 support for external identities is now generally available
Product news · Windows 365 what's new
Updates and guidanceWindows
ZoomIt v9.21
Product news · Sysinternals Blog
Message CenterDefender / Teams
MC1147984: Microsoft Teams: User reporting for incorrectly identified security concerns
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams, Microsoft Defender XDR
Message CenterDynamics 365
MC1187356: Dynamics 365 Contact Center - Resolve issues autonomously with Customer Intent Agent
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message CenterExchange / Microsoft 365 Apps
MC1187400: Syncing HiddenFromAddressListEnabled attribute across tenants for consistent Global Address List (GAL) visibility
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Exchange Online, Microsoft 365 apps
Message CenterMicrosoft 365 Copilot
MC1187396: Microsoft Learning Zone Windows app enabled by default for Education tenants
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 Copilot Chat
Message CenterPurview2 source records
Notice updated · 2 entries
- MC1147381: Microsoft Purview | Insider Risk Management - Personal email triggers
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
- MC1187394: Microsoft Purview compliance portal: Data Security Investigations – Introducing new AI analysis capabilities
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterViva
MC1187388: Microsoft Viva Insights: Publish reports capability is becoming generally available
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Viva
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.