WEEKLY BRIEFING · 12 JAN – 18 JAN 2026 · UTC
Public sources only
60 public updates in week 3
Microsoft published 20 Windows KB releases (11 security, 9 out-of-band). MSRC published January 2026 Security Updates. 23 roadmap changes, led by Microsoft 365 Copilot (6) and Teams (5). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 3 Windows and security articles from Microsoft blogs.
20Windows KB releases
1MSRC release note
23Roadmap changes across 9 products
3Windows and security articles
1Microsoft CVEs added to CISA KEV
Security to act on1
Windows releases20
- Windows 10, version 1809 — KB5077795 (OOB), build 17763.828017 Jan
- Windows 10, version 21H2 — KB5077796 (OOB), build 19044.681117 Jan
- Windows 10, version 22H2 — KB5077796 (OOB), build 19045.681117 Jan
- Windows 11, version 23H2 — KB5077797 (OOB), build 22631.649417 Jan
- Windows 11, version 24H2 — KB5077744 (OOB), build 26100.762717 Jan
15 more
- Windows 11, version 25H2 — KB5077744 (OOB), build 26200.762717 Jan
- Windows Server 2019 — KB5077795 (OOB), build 17763.828017 Jan
- Windows Server 2022 — KB5077800 (OOB), build 20348.465017 Jan
- Windows Server 2025 — KB5077793 (OOB), build 26100.3223417 Jan
- Windows 10, version 1607 — KB5073722 (B), build 14393.878313 Jan
- Windows 10, version 1809 — KB5073723 (B), build 17763.827613 Jan
- Windows 10, version 21H2 — KB5073724 (B), build 19044.680913 Jan
- Windows 10, version 22H2 — KB5073724 (B), build 19045.680913 Jan
- Windows 11, version 23H2 — KB5073455 (B), build 22631.649113 Jan
- Windows 11, version 24H2 — KB5074109 (B), build 26100.762313 Jan
- Windows 11, version 25H2 — KB5074109 (B), build 26200.762313 Jan
- Windows Server 2016 — KB5073722 (B), build 14393.878313 Jan
- Windows Server 2019 — KB5073723 (B), build 17763.827613 Jan
- Windows Server 2022 — KB5073457 (B), build 20348.464813 Jan
- Windows Server 2025 — KB5073379 (B), build 26100.3223013 Jan
MSRC security releases1
Windows and security news3
Microsoft product news13
OpenAI API changelog · 6
- Announced Open Responses: an open-source spec for building multi-provider, interoperable LLM interfaces built on top of the original OpenAI Responses API.15 Jan
- Released gpt-5.2-codex to the Responses API.14 Jan
- Added dedicated SIP IP ranges for Realtime API.13 Jan
3 more
Gemini API release notes · 5
- Deprecation announcement: The following models will be shut down February 17, 2026: gemini-2.5-flash-preview-09-25 imagen-4.0-generate-preview-06-06 imagen-4.0-ultra-gen…15 Jan
- The gemini-2.5-flash-image-preview model has been shut down.15 Jan
- The text-embedding-004 model has been shut down.14 Jan
2 more
Azure CLI release notes · 1
- Azure CLI 2.82.013 Jan
Windows 365 what's new · 1
Microsoft 365 roadmap23
Microsoft 365 Copilot · 6
- Microsoft Copilot (Microsoft 365): Generate icons for your agents using AI in Microsoft 365 Copilot17 Jan
- Microsoft Edge: v.144 - Copilot icon visibility17 Jan
- Microsoft Copilot (Microsoft 365): Catchup on important emails in Copilot Chat15 Jan
3 more
- Microsoft Copilot (Microsoft 365): Knowledge templates support for ServiceNow Knowledge Connector14 Jan
- Microsoft Purview Information Protection: Doc library default labeling for SharePoint Online and Copilot14 Jan
- Microsoft Copilot (Microsoft 365): When using Agent Mode in Word, you will be able to manually select which model to use13 Jan
Teams · 5
- Microsoft Teams: Local PTZ camera controls for Microsoft Teams Rooms on Android17 Jan
- Microsoft Teams: Share apps from app bar via right click15 Jan
- Microsoft Teams: Front-of-room view control for Town Hall in Teams Rooms on Android14 Jan
2 more
Microsoft Edge · 3
- Microsoft Edge: Protected Clipboard17 Jan
- Microsoft Edge: v.144 - Performance settings update and feature name changes17 Jan
- Microsoft Edge: Watermarking Protection17 Jan
Microsoft 365 · 2
- Microsoft 365: eSignature Smart Tagging for Electronically Signed Documents15 Jan
- Microsoft 365: Multi-Geo In-Region Routing14 Jan
5 more products · 7 changes
Outlook · 2
- Outlook: Collapsible Automatic Replies on Outlook for Android14 Jan
- Outlook: Collapsible Automatic Replies on Outlook for iOS14 Jan
Purview · 2
- Microsoft Purview Compliance Portal: Data Loss Prevention: DLP to restrict Microsoft 365 Copilot processing on emails with sensitivity labels17 Jan
- Microsoft Purview: Data Loss Prevention- Admin units support for SharePoint Online17 Jan
Excel · 1
SharePoint · 1
Viva · 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.