WEEKLY BRIEFING · 8 DEC – 14 DEC 2025 · UTC
Public sources only
49 public updates in week 50
Microsoft published 11 Windows KB releases (11 security). MSRC published December 2025 Security Updates. 28 roadmap changes, led by Microsoft 365 Copilot (8) and Purview (6). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 3 lifecycle milestones fall in the next 30 days. 1 Windows and security article from Microsoft blogs.
11Windows KB releases
1MSRC release note
28Roadmap changes across 8 products
1Windows and security article
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases11
- Windows 10, version 1607 — KB5071543 (B), build 14393.86889 Dec
- Windows 10, version 1809 — KB5071544 (B), build 17763.81469 Dec
- Windows 10, version 21H2 — KB5071546 (B), build 19044.66919 Dec
- Windows 10, version 22H2 — KB5071546 (B), build 19045.66919 Dec
- Windows 11, version 23H2 — KB5071417 (B), build 22631.63459 Dec
6 more
- Windows 11, version 24H2 — KB5072033 (B), build 26100.74629 Dec
- Windows 11, version 25H2 — KB5072033 (B), build 26200.74629 Dec
- Windows Server 2016 — KB5071543 (B), build 14393.86889 Dec
- Windows Server 2019 — KB5071544 (B), build 17763.81469 Dec
- Windows Server 2022 — KB5071547 (B), build 20348.45299 Dec
- Windows Server 2025 — KB5072033 (B), build 26100.74629 Dec
MSRC security releases1
Windows and security news1
Lifecycle milestones in the next 30 days3
- End of support · 3 products: Advanced Threat Analytics 1.X, Dynamics CRM 2016 (Dynamics 365), Visual Studio 2022 , Version 17.10 (LTSC channel) 13 Jan
Microsoft product news8
Gemini API release notes · 5
- Released gemini-2.5-flash-native-audio-preview-12-2025, a new native audio model for the Live API.12 Dec
- Launched the Gemini Deep Research agent in preview.11 Dec
- Launched the Interactions API.11 Dec
2 more
OpenAI API changelog · 2
- Released client-side compaction.11 Dec
- Released GPT-5.2, the newest flagship model in the GPT-5 model family.11 Dec
Microsoft Graph PowerShell SDK release notes · 1
Microsoft 365 roadmap28
Microsoft 365 Copilot · 8
- Microsoft 365 Copilot: Work from your recent prompts in Draft with Copilot12 Dec
- Microsoft Copilot (Microsoft 365): Receive coaching on your writing in Copilot in Word12 Dec
- Microsoft Copilot (Microsoft 365): Receive coaching on your writing in Copilot in Word12 Dec
5 more
- Microsoft Copilot (Microsoft 365): Receive coaching on your writing in Copilot in Word12 Dec
- Microsoft Copilot (Microsoft 365): Write a prompt for selected portions of text in Word12 Dec
- Microsoft Copilot (Microsoft 365): Write a prompt for selected portions of text in Word12 Dec
- Microsoft Copilot (Microsoft 365): Updates to video creation in Microsoft 365 Copilot9 Dec
- Microsoft Purview compliance portal: OneDrive support for Data Risk Assessments9 Dec
Purview · 6
- Microsoft Purview compliance portal: Data Loss Prevention - restrict Microsoft 365 Copilot processing on content with sensitivity labels12 Dec
- Microsoft Purview | Communication Compliance: Integration with Power Automate12 Dec
- Microsoft Purview compliance portal: Modern eDiscovery additional enhancements12 Dec
3 more
- Microsoft Purview compliance portal: Data Loss Prevention: User based alert aggregation9 Dec
- Microsoft Purview compliance portal: Data Loss Prevention: UX improvements to the DLP Alerts in Purview Portal9 Dec
- Microsoft Purview: Endpoint Data Loss Prevention- Always-on diagnostics for Windows endpoints (Phase 1)9 Dec
Teams · 6
- Microsoft Teams: Weaponizable File Type Protection for Teams Chat and Channels12 Dec
- Microsoft Teams: Saved messages12 Dec
- Microsoft Teams: Call Waiting Beep Enabled on Desktop11 Dec
3 more
Viva · 3
- Microsoft Viva: Copilot Dashboard - Updated meeting metrics for Intelligent Recap9 Dec
- Microsoft Viva: Glint - User Schema Enhancements - Custom Age and Tenure Derivations9 Dec
- Microsoft Viva: Viva Insights - Publish analyst reports to Viva Insights App9 Dec
4 more products · 5 changes
Outlook · 2
- Outlook: Enterprise and Web Grounding for Draft with Copilot12 Dec
- Outlook: Optimized hover actions in the message list on Outlook on the Web and New Outlook for Windows9 Dec
Defender · 1
Microsoft Edge · 1
SharePoint · 1
Every line opens its detail page or the original Microsoft source. This briefing uses public sources only and says nothing about your tenant or devices.