No access to your tenant or devices. Every item links to its source. What this means
Week 43 · 19 Oct – 25 Oct 2026 UTC · assess the changes, then plan the next dates.
Updates and guidanceWindows 365
Guidance changed
5 new passages (about 160 words). The changed wording mentions defaults, network endpoints. Review the source to confirm the effect.
5 new passages (about 160 words). The changed wording mentions defaults, network endpoints. Review the source to confirm the effect. · Observed documentation change; policy effect and environment availability need review.
Updates and guidancebrave policies · 1.97.59 to 1.98.60
Policy templates changed
3 added, 0 removed, 13 changed policies; 19 changed files.
3 added, 0 removed, 13 changed policies; 19 changed files. · Template evidence describes the policy definition; application behaviour and environment applicability need review.
Message CenterPower Platform
Message Center · Prevent or fix issues · Microsoft 365 Message Center Archive by Merill Fernando
Power Platform
Microsoft asks admins to prevent or fix an issue
Message CenterPurview6 source records
Message Center · Plan for change · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Microsoft marks it a major change
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft 365 suite, Microsoft Purview
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Purview
Message CenterTeams5 source records
Message Center · Plan for change · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Microsoft marks it a major change
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Message Center · Plan for change · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Notice updated · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
Message Center · Stay informed · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Microsoft Teams
SecurityAzure DevOps
Published vulnerability
CVE-2026-105014
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
SecurityAzure2 source records
Published vulnerability
CVE-2026-108456
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
Published vulnerability
CVE-2026-83938
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
SecurityCloudflare2 source records
Security advisory · Cloudflare WAF changelog
Release notes name CVE-2026-109618, CVE-2026-109619
Security advisory · Cloudflare WAF changelog
Release notes name CVE-2026-109618, CVE-2026-109619
SecurityExchange
Published vulnerability
CVE-2026-96185
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
SecurityMicrosoft Entra
Published vulnerability
CVE-2026-97785
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
SecurityVM Inspector for Azure Virtual Machines Elevation of Privilege Vulnerability
Published vulnerability
CVE-2026-110063
Fixed by Microsoft in the service; nothing to deploy · Microsoft rates the vulnerability Critical
CommunityAskWoody
Community post · AskWoody
CommunityJeffrey Appel
Community post · Jeffrey Appel
CommunityOffice 365 for IT Pros (Tony Redmond)
Community post · Office 365 for IT Pros (Tony Redmond)
CommunityPetri IT Knowledgebase3 source records
Community post · Petri IT Knowledgebase
Community post · Petri IT Knowledgebase
Community post · Petri IT Knowledgebase
DatesGoogle Gemini4 source records
Known issuesAnthropic Claude
Known issuesCommercial changes2 source records
Partner announcement · Microsoft Partner Center announcements
Partner announcement · Microsoft Partner Center announcements
Known issuesGitHub2 source records
Known issuesOpenAI2 source records
Service incident
Conversations, Responses
Updates and guidanceAmazon Web Services · AMAZON · ap-northeast-1
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
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 · eu-west-1
Changed list
Changed list: 256 IPv4 addresses newly covered.
Changed list: 256 IPv4 addresses newly covered.
Updates and guidanceAmazon Web Services · AMAZON · us-east-2
Changed list
Changed list: 2 IPv6 ranges newly covered, 1 IPv6 range no longer covered.
Changed list: 2 IPv6 ranges newly covered, 1 IPv6 range no longer covered.
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.