GitHub: 1 list changed
IP ranges changed
1 list changed: 1 covers more addresses.
Assessment context
1 list changed: 1 covers more addresses.
No access to your tenant or devices. Every item links to its source. What this means
Week 42 · 12 Oct – 18 Oct 2026 UTC · assess the changes, then plan the next dates.
Updates and guidanceGitHub: 1 list changed
IP ranges changed
1 list changed: 1 covers more addresses.
1 list changed: 1 covers more addresses.
Updates and guidanceGoogle: 2 lists changed
IP ranges changed
2 lists changed: 1 covers more addresses, 1 no longer covers some addresses; 2 were published twice or more that day, each read by its latest change.
2 lists changed: 1 covers more addresses, 1 no longer covers some addresses; 2 were published twice or more that day, each read by its latest change.
Message CenterDynamics 365 / Exchange / Power BI
Message Center · Prevent or fix issues
Exchange Online, Microsoft 365 suite, Dynamics 365 Apps, Power BI
Microsoft asks admins to prevent or fix an issue · Microsoft marks it a major change
Message CenterExchange / Teams
Message Center · Plan for change
Exchange Online, Microsoft Teams
Microsoft marks it a major change
Message CenterExchange3 source records
Message Center · Plan for change
Exchange Online
Microsoft marks it a major change
Message Center · Plan for change
Exchange Online
Microsoft marks it a major change
Message Center · Stay informed
Exchange Online
Message CenterMicrosoft 365 Apps
Message Center · Plan for change
Microsoft 365 apps
Microsoft marks it a major change
Message CenterTeams2 source records
Message Center · Plan for change
Microsoft Teams
Microsoft marks it a major change
Message Center · Stay informed
Microsoft Teams
RoadmapMicrosoft 365 Copilot2 source records
Date moved later
General availability: September CY2026 → November CY2026
Target moved from September CY2026 to November CY2026
Roadmap entry · Microsoft 365 Roadmap
RoadmapMicrosoft Edge2 source records
Date moved later
General availability: October CY2026 → December CY2026
Target moved from October CY2026 to December CY2026
Roadmap entry · Microsoft 365 Roadmap
RoadmapOutlook2 source records
Date moved later
General availability: October CY2026 → November CY2026
Target moved from October CY2026 to November CY2026
Roadmap entry · Microsoft 365 Roadmap
RoadmapPurview2 source records
Date moved later
General availability: September CY2026 → February CY2027
Target moved from September CY2026 to February CY2027
Roadmap entry · Microsoft 365 Roadmap
RoadmapTeams8 source records
Date moved later
General availability: November CY2026 → December CY2026
Target moved from November CY2026 to December CY2026
Date moved later
General availability: November CY2026 → December CY2026
Target moved from November CY2026 to December CY2026
Date moved later
General availability: October CY2026 → November CY2026
Target moved from October CY2026 to November CY2026
Roadmap entry · Microsoft 365 Roadmap
Roadmap entry · Microsoft 365 Roadmap
Roadmap entry · Microsoft 365 Roadmap
Roadmap entry · Microsoft 365 Roadmap
Roadmap entry · Microsoft 365 Roadmap
SecurityMicrosoft Edge7 source records
Published vulnerability
CVE-2026-83831
Microsoft states that customer action is required
Published vulnerability
CVE-2026-85890
Microsoft states that customer action is required
Published vulnerability
CVE-2026-85897
Microsoft states that customer action is required
Published vulnerability
CVE-2026-85898
Microsoft states that customer action is required
Published vulnerability
CVE-2026-96198
Microsoft states that customer action is required
Published vulnerability
CVE-2026-96199
Microsoft states that customer action is required
Security advisory · Microsoft Edge security release notes
CommunityAndrew Taylor
Community post · Andrew Taylor
CommunityAskWoody
Community post · AskWoody
CommunityJan Bakker
Community post · Jan Bakker
CommunityOffice 365 for IT Pros (Tony Redmond)
Community post · Office 365 for IT Pros (Tony Redmond)
CommunityPetri IT Knowledgebase
Community post · Petri IT Knowledgebase
Known issuesOpenAI
Updates and guidanceAmazon Web Services · AMAZON · ap-southeast-3
Changed list
Changed list: 256 IPv4 addresses newly covered.
Changed list: 256 IPv4 addresses newly covered.
Updates and guidanceAmazon Web Services · AMAZON · cn-north-1
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
Updates and guidanceAmazon Web Services · AMAZON · cn-northwest-1
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
Updates and guidanceAmazon Web Services · AMAZON · eu-south-2
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
Updates and guidanceAmazon Web Services · AMAZON · me-west-1
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
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.