WEEKLY BRIEFING · 12 JAN – 18 JAN 2026 · UTC
Full source inventory · public sources only
Week 3 sources
Microsoft published 20 Windows KB releases (11 security, 9 out-of-band). MSRC published January 2026 Security Updates. 21 roadmap changes, led by Microsoft 365 Copilot (6) and Teams (4). CISA added 1 Microsoft CVE to its Known Exploited Vulnerabilities catalog. 2 Azure updates. 6 Windows and security articles from Microsoft blogs.
20Windows KB releases
1MSRC release note
21Roadmap changes across 9 products
6Windows 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 news6
- Security Review for Microsoft Edge version 14416 Jan
- Announcing Windows 11 Insider Preview Build 26220.7653 (Beta Channel)16 Jan
- WAF - WAF Release - 2026-01-1515 Jan
- Announcing Windows 11 Insider Preview Build 28020.1371 (Canary Channel)14 Jan
- Edge 144.0.3719.82: Chromium security fixes and 1 Edge-specific fix14 Jan
1 more
Product news26
Microsoft Graph · 8
- People and workplace intelligence (beta): 2 API change passages14 Jan
- People and workplace intelligence (v1.0): 2 API change passages14 Jan
- Security (beta): 11 API change passages14 Jan
5 more
OpenAI · 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
Google Gemini · 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
Ubiquiti UniFi · 2
Azure CLI · 1
- Azure CLI 2.82.013 Jan
dbatools · 1
- dbatools 2.7.2117 Jan
Entra PowerShell · 1
- Microsoft.Entra 1.2.014 Jan
GitLab · 1
- GitLab 18.815 Jan
Windows 365 · 1
Azure updates2
From the community3
Microsoft 365 roadmap21
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 · 4
- 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: New Policy Setting to Require Explicit Consent for Recording and Transcription in Teams 1:1 Calls14 Jan
1 more
Microsoft 365 · 2
- Microsoft 365: eSignature Smart Tagging for Electronically Signed Documents15 Jan
- Microsoft 365: Multi-Geo In-Region Routing14 Jan
Microsoft Edge · 2
- Microsoft Edge: Protected Clipboard17 Jan
- Microsoft Edge: v.144 - Performance settings update and feature name changes17 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
Other public updates38
- Take Action: Out-of-band update to address issues observed with the January 2026 Windows security update17 Jan
- Dynamics 365 Contact Center - Enhanced Dialpad for DTMF Tones17 Jan
- Power Automate - View property value expanded inline in the new cloud flow designer17 Jan
- Power Apps – Content Security Policy enforcement for Power Apps code apps17 Jan
- Microsoft Teams: Organization evaluation score for apps and agents16 Jan
33 more
- Microsoft Teams: Meeting notes now available for instant meetings16 Jan
- Microsoft Purview Data Loss Prevention | Enforcement plane rename from Entra to Application16 Jan
- Initial deployment phase for Kerberos RC4 hardening begins with the January 2026 Windows security update16 Jan
- Dynamics 365 Customer Insights- Data - Select appropriate field values from a list when working with segments conditions16 Jan
- Export Viva Engage admin settings from Engage Admin Center16 Jan
- Microsoft Teams: Viva Engage communities in Teams16 Jan
- Retirement of Power BI Q&A16 Jan
- Create custom templates for immersive events in Microsoft Teams16 Jan
- Microsoft Viva: Viva Glint - Survey Designer Role16 Jan
- Power Automate - Debug easily into condition actions at runtime15 Jan
- Save a meeting event as a draft in Outlook on iOS14 Jan
- Microsoft 365 Copilot: Structured document generation with Forms14 Jan
- Microsoft Teams: Automatic removal of EXIF data from shared images14 Jan
- More users will be able to create Loop workspaces14 Jan
- Windows Backup for Organizations expands to first sign-in restore14 Jan
- Dynamics 365 Customer Insights – Journeys – Maximize event ROI with paid registration, seamless payment integration14 Jan
- Updates available for Microsoft 365 Apps for all channels14 Jan
- Power BI: End of support for on-prem SharePoint web part14 Jan
- Microsoft Defender for Cloud Apps – Improvements to Microsoft 365 connector configuration page14 Jan
- Endpoint DLP-sensitive data alerting retiring in Defender; use Purview DLP14 Jan
- Microsoft 365 Copilot | PowerPoint now supports enterprise image libraries via AEM (Adobe Experience Manager)14 Jan
- Microsoft Teams: Choose your "Enter" key behavior in Teams Chat Settings14 Jan
- Microsoft Viva: Viva Glint – New permissions14 Jan
- Microsoft Edge: Cross-platform policies in the Edge management service14 Jan
- Microsoft Purview | Information Protection - Content Explorer: Unscanned data and Classification History summary metrics14 Jan
- Improvements to meeting threads in Microsoft Teams channels14 Jan
- Windows Deployment Services (WDS): Hands-free deployment hardening (Phase 1)13 Jan
- The January 2026 Windows security update is now available13 Jan
- Updates available for Microsoft 365 Apps for all channels13 Jan
- Data Security Posture Agent is now available in preview13 Jan
- Microsoft Purview compliance portal: Information Protection – Email attachment preview in Activity Explorer13 Jan
- Tenant setting update: Copilot capacity designation enabled by default13 Jan
- Microsoft Purview eDiscovery | Direct export expiration change13 Jan
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.