MC1162857: Windows 11, version 25H2 is now available
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
Assessment context
Microsoft marks it a major change
No access to your tenant or devices. Every item links to its source. What this means
Week 40 · 29 Sep – 5 Oct 2025 UTC · assess the changes, then plan the next dates.
Message CenterWindows
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
Microsoft marks it a major change
Updates and guidanceAzure
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Updates and guidanceMicrosoft Fabric
Updates and guidanceMicrosoft Graph11 source records
Graph announcement · 11 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Message CenterDynamics 3656 source records
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message CenterIntune
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Intune
Message CenterPurview2 source records
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterViva
ReleasesMicrosoft Graph PowerShell SDK
Tool release · Microsoft Graph PowerShell SDK release notes
RoadmapMicrosoft 365 Copilot / Viva
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
SecurityWindows
Security news · Microsoft Security Baselines Blog
SecurityCisco
Cisco · exploited, added to CISA KEV
CVE-2025-20352
CISA lists it as exploited
SecurityCloudflare
Security advisory · Cloudflare WAF changelog
Release notes name CVE-2024-57727, CVE-2025-58434, CVE-2025-8085
SecurityVMware Tools
Security advisory · VMware security advisories (Broadcom)
The vendor rates it high
SecurityVMware vCenter Server
Security advisory · VMware security advisories (Broadcom)
The vendor rates it high
Updates and guidanceAzure
Message CenterDefender2 source records
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message CenterMicrosoft 365 Copilot
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 Copilot Chat
Message CenterMicrosoft 365 Message Center Archive by Merill Fernando
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite
Message CenterPurview
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterSharePoint / Viva
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
SharePoint Online, Microsoft Viva
Message CenterTeams
Message CenterWindows
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Windows
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.