Introduction
Microsoft released the following security updates for Office in January 2026. These updates are intended to help our customers keep their computers up to date. We recommend that you install all updates that apply to you.
To download an update, select the corresponding Knowledge Base article in the following list.
List of Office updates released in January 2026
Microsoft Office 2016
| Product | Knowledge Base article title and number |
|---|---|
| Excel 2016 | Description of the security update for Excel 2016: January 13, 2026 (KB5002831) |
| Office 2016 | Description of the security update for Office 2016: January 13, 2026 (KB5002826) |
| Word 2016 | Description of the security update for Word 2016: January 13, 2026 (KB5002829) |
SharePoint Server Subscription Edition
| Product | Knowledge Base article title and number |
|---|---|
| SharePoint Server Subscription Edition | Description of the security update for SharePoint Server Subscription Edition: January 13, 2026 (KB5002822) |
Microsoft SharePoint Server 2019
| Product | Knowledge Base article title and number |
|---|---|
| SharePoint Server 2019 | Description of the security update for SharePoint Server 2019: January 13, 2026 (KB5002825) |
| SharePoint Server 2019 Language Pack | Description of the security update for SharePoint Server 2019 Language Pack: January 13, 2025 (KB5002823) |
Microsoft SharePoint Server 2016
| Product | Knowledge Base article title and number |
|---|---|
| SharePoint Server 2016 | Description of the security update for SharePoint Server 2016: January 13, 2026 (KB5002828) |
| SharePoint Server 2016 Language Pack | Description of the security update for SharePoint Server 2016 Language Pack: January 13, 2026 (KB5002827) |
Office Online Server
| Product | Knowledge Base article title and number |
|---|---|
| Office Online Server | Description of the security update for Office Online Server: January 13, 2026 (KB5002824) |