Weekly briefing
Week 29 · 13 Jul – 19 Jul 2026 UTC · assess the changes, then plan the next dates.
Dates in the next 30 days
23 source records · 20 groupsSecuritySharePoint
Microsoft SharePoint Deserialization of Untrusted Data Vulnerability
CISA KEV deadline
CVE-2026-50522
Assessment context
CISA deadline passed 93 days ago
DatesGoogle Gemini
Google Gemini: gemini-2.5-computer-use-preview-10-2025
Model retirement
SecurityActive Directory
Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability
CISA KEV deadline
CVE-2026-56155
Assessment context
CISA deadline passed 90 days ago
Message CenterIntune
Message CenterTeams
Message CenterExchange
DatesAzure Kubernetes Service
Azure Kubernetes Service Kubernetes 1.33
End of support
Message CenterExchange
MC1293480: (Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
Message Center action date · Reference tenants · Microsoft 365 Message Center Archive by Merill Fernando
Message CenterTeams
Message CenterDefender
DatesTeams2 source records
Recorded guidance date · 2 entries
- Teams Rooms app and Windows support
Recorded guidance date · Official documentation
Assessment context
The source states an exact date. Check its scope and required action in the cited guidance.
- Teams Rooms app release notes
Recorded guidance date · Official documentation
Assessment context
The source states an exact date. Check its scope and required action in the cited guidance.
Message CenterTeams
Message CenterMicrosoft 365 Message Center Archive by Merill Fernando
DatesAnthropic Claude
Anthropic Claude: claude-opus-4-1-20250805
Model retirement
DatesGoogle Gemini
Google Gemini: embedding-2-preview
Model retirement
Message CenterMicrosoft Entra
DatesMicrosoft 365 connectivity
Microsoft 365 URL and IP requirements
Recorded guidance date · Official documentation
Assessment context
The source states an exact date. Check its scope and required action in the cited guidance.
DatesGoogle Gemini3 source records
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.