November 2026 updates for Microsoft Office

Applies To
SharePoint Server Subscription Edition Office Online Server

Introduction

Microsoft released the following security updates for Office in November 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 November 2026

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: November 10, 2026 (KB5002945)

Office Online Server

Product Knowledge Base article title and number
Office Online Server Description of the security update for Office Online Server: November 10, 2026 (KB5002946)