Edge 138.0.3351.121: Chromium security fixes
Security advisory · Microsoft Edge security release notes
No access to your tenant or devices. Every item links to its source. What this means
Week 31 · 28 Jul – 3 Aug 2025 UTC · assess the changes, then plan the next dates.
SecurityMicrosoft Edge
Security advisory · Microsoft Edge security release notes
CommunityDirk-jan Mollema
Community post · Dirk-jan Mollema
Updates and guidanceAzure Arc / SQL Server
Updates and guidanceAzure5 source records
Updates and guidanceMicrosoft Graph7 source records
Graph announcement · 3 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 CenterMicrosoft 365 Apps2 source records
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 for the web, Microsoft 365 apps
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 apps
Message CenterMicrosoft 365 Message Center Archive by Merill Fernando2 source records
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite
Message CenterTeams2 source records
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
RoadmapPurview
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
Updates and guidanceAzure
Updates and guidanceGlobal Secure Access
Product news · Global Secure Access macOS client releases
Updates and guidanceMicrosoft Graph8 source records
Graph announcement · 5 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 3 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Message CenterDefender
Message Center · Stay informed · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Defender XDR
Message CenterDynamics 3652 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 CenterTeams2 source records
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
ReleasesVMware ESXi
New version · VMware ESXi releases
ReleasesVMware vCenter Server
New version · VMware vCenter Server releases
RoadmapOutlook2 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
RoadmapSharePoint
Roadmap entry · Microsoft 365 Roadmap · Microsoft 365 Message Center Archive by Merill Fernando
SecurityVMware vCenter Server
Security advisory · VMware security advisories (Broadcom)
SecurityCisco2 source records
Cisco · exploited, added to CISA KEV
CVE-2025-20281
CISA lists it as exploited
Cisco · exploited, added to CISA KEV
CVE-2025-20337
CISA lists it as exploited
Message CenterExchange / Microsoft 365 Apps
Notice updated · Microsoft 365 Message Center Archive by Merill Fernando
Exchange Online, Microsoft 365 for the web, Microsoft 365 apps
Microsoft marks it a major change
Updates and guidanceMicrosoft Graph26 source records
Graph announcement · 10 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 2 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 3 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 2 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Graph announcement · 9 passages · Microsoft Graph changelog
Publisher announcement group; its passages may describe different API changes
Message CenterDynamics 365
Message Center · Plan for change · 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.