No access to your tenant or devices. Every item links to its source. What this means
Week 42 · 13 Oct – 19 Oct 2025 UTC · assess the changes, then plan the next dates.
ReleasesWindows / Windows Server2 source records
Security release
Windows 10, version 1809, Windows Server 2019
Monthly security release
Security release
Windows 10, version 1607, Windows Server 2016
Monthly security release
ReleasesWindows Server2 source records
Security release
Windows Server 2022
Monthly security release
Security release
Windows Server 2025
Monthly security release
ReleasesWindows2 source records
Security release
Windows 10, version 21H2, Windows 10, version 22H2
Monthly security release
Security release
Windows 11, version 22H2
Monthly security release
SecurityMicrosoft Security Update Guide
MSRC release notes · Microsoft Security Update Guide
Monthly security release notes
SecurityWindows2 source records
Added to CISA KEV
CVE-2025-59230
CISA lists it as exploited
Added to CISA KEV
CVE-2025-24990
CISA lists it as exploited
CommunityChristoffer Andersson
Community post · Christoffer Andersson
Updates and guidanceAzure
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Updates and guidanceMicrosoft Graph6 source records
Graph announcement · 2 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 4 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Message CenterDefender
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message CenterDynamics 365
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
Message CenterMicrosoft 365 Apps
Message CenterPower Platform
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Power Apps
Releases.NET3 source records
New version · .NET releases
New version · .NET releases
New version · .NET releases
ReleasesAzure CLI2 source records
New version · GitHub release record · package availability may differ
RoadmapIntune2 source records
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
SecurityDefender
Security news · Microsoft Defender for Endpoint Blog
Message CenterMicrosoft 365 Apps2 source records
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
Microsoft marks it a major change
SecurityCloudflare
Security advisory · Cloudflare WAF changelog
Release notes name CVE-2025-59340
Updates and guidanceAzure / Microsoft Entra
Updates and guidanceAzure2 source records
Updates and guidanceMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Updates and guidanceWindows
Product news · Sysinternals Blog
Message CenterDynamics 3652 source records
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Dynamics 365 Apps
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.