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SharePoint Server 2019 SharePoint Server 2019 Security update
Patch Tuesday

KB5002775

KB5002775: Cumulative update for SharePoint Server, version 2019, September 2025. Three important server vulnerabilities addressed

In short

Addresses three important-severity vulnerabilities in SharePoint Server 2019. Updates for this version are scheduled to end on July 14, 2026.

Does it affect you? Applies to: SharePoint Server 2019. The update package is for x64 systems.

Build
16.0.10417.20047
Security
3 fixed
Restart
Required

Microsoft ships this release as two packages: KB5002775, the update itself, and KB5002774 for the language packs. Install both on every server of the farm, then run the SharePoint Products Configuration Wizard.

In detail

  • Security Addresses three vulnerabilities, all rated Important. The dossier lists no exploited, publicly disclosed, or critical vulnerabilities.
  • Lifecycle Updates for SharePoint Server 2019 are scheduled to end on July 14, 2026.

Technical details

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

Data sheet

Released
2025-09-09
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5002769, KB5002754, KB5002741
Replaced by
KB5002796
VersionBuildChannel
2019 16.0.10417.20047 General availability

Security

3 vulnerabilities fixed
3 important
VulnerabilitySeverityCVSS
Microsoft SharePoint Remote Code Execution Vulnerability
Important 8.8
Microsoft Office Remote Code Execution Vulnerability
Important 7.8
Microsoft Word Information Disclosure Vulnerability
Important 7.1

Updated components

452 files changed since the previous update for the same versions.

Top changed componentsFiles
Search44
Project Server23
Document conversion20
Client object model9
Access Services8
Document management and policies6
Managed metadata3
Office web apps3
PowerPoint3
PowerShell2
Publishing2
Translation Services2

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