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SharePoint Server 2016 SharePoint Server 2016 Security update
Patch Tuesday

KB5002788

KB5002788

Cumulative update for SharePoint Server, version 2016, October 2025

In short

Addresses six Important vulnerabilities. SharePoint Server 2016 updates are scheduled to end on July 14, 2026.

Does it affect you? Applies to: SharePoint Server 2016 installations. The update package is for x64.

Build
16.0.5522.1000
Security
6 fixed
Restart
Required

Microsoft ships this release as two packages: KB5002788, the update itself, and KB5002787 for the language packs. Install both on every server of the farm, then run the SharePoint Products Configuration Wizard.

In detail

  • Security Addresses six vulnerabilities, all rated Important.
  • Lifecycle Updates for SharePoint Server 2016 are scheduled to end on July 14, 2026.

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-10-14
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5002778, KB5002771, KB5002760, KB5002744
Replaced by
KB5002805
VersionBuildChannel
2016 16.0.5522.1000 General availability

Security

6 vulnerabilities fixed
6 important
VulnerabilitySeverityCVSS
Microsoft SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Word Remote Code Execution Vulnerability
Important 7.8
Microsoft Excel Information Disclosure Vulnerability
Important 7.1
Microsoft Excel Information Disclosure Vulnerability
Important 7.1
Microsoft Word Remote Code Execution Vulnerability
Important 7.0

Sources

Updated
Checked automatically: 8 of 8 checks passed · compared with Microsoft's page on Nov 8, 2026
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 5/5, clarity 5/5, completeness 5/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake