MS Family January 2026 Routine Security Update Advisory

Overview

 

Microsoft(https://www.microsoft.com) has released a security update that fixes vulnerabilities in products it has supplied. users of affected products are advised to update to the latest version.

 

Affected Products

 

Microsoft SharePoint Enterprise Server 2016 16.0.5535.1001 and earlier

Microsoft SharePoint Server 2019 16.0.5535.1001 and earlier

Microsoft SharePoint Server Subscription Edition 16.0.5535.1001 and earlier

 

Resolved Vulnerabilities

 

We found 0 vulnerabilities rated Critical and 1 vulnerability rated Important.

Information disclosure vulnerability rated as Important in Microsoft Office SharePoint (CVE-2026-20958)

 

Vulnerability Patches

 

The following product-specific Vulnerability Patches were made available in the January 14, 2026 Update. Please use the Windows Update feature for automatic installation or refer to the URLs in the product information below to download and install.