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SharePoint Server SE SharePoint Server SE Security update
Patch Tuesday

KB5002773

KB5002773: Cumulative update for SharePoint Server, version SE, August 2025. Calendar overlay settings may fail; search and list fixes included

In short

Closes one Important elevation-of-privilege vulnerability (CVE-2025-53760), improves search and list controls, and fixes SharePoint issues. Calendar overlay settings might have problems after installation.

Does it affect you? Applies to: Computers with the release version of SharePoint Server Subscription Edition installed. The standalone package is for x64 systems.

Build
16.0.18526.20518
Security
1 fixed
Restart
Required
Review notes Additional details from the official release notes (1) Read note
  • What changes This update fixes the issue that prevented users from opening uploaded .one files after installing the March 11, 2025 update (KB5002698).

The official sources are linked at the end of the page.

What changes

Fixes 15 changes

SharePoint security

  • Closes an elevation-of-privilege vulnerability.1
    Addresses CVE-2025-53760.

Character rendering

  • Some GB18030 character rendering problems are fixed.2

LanguageSynchronization timer job

  • The LanguageSynchronization timer job no longer fails during execution.3

SharePoint search results

  • Excel previews appear in SharePoint search results again.4

NodeRunner.exe

  • NodeRunner.exe no longer stops responding and generating a System.AccessViolationException.5

Managed Metadata column filters

  • Filtering a Managed Metadata column no longer breaks filtering on other columns.6

File operations

  • Files can be copied or moved to folders containing Private Use Area characters.7

External List

  • External Lists based on Business Data Connectivity connections display data.8

Column filters

  • Clearing a column filter no longer prevents users from clearing filters on other columns.9

Document libraries

  • The Editor field no longer updates incorrectly when a file moves between document libraries.10

.one files

  • Uploaded .one files can be opened after installing the March 11, 2025 update.11
    Applies to the issue introduced after installing KB5002698.

SharePoint Central Administration

  • The Configure usage and health data collection string is localized in Simplified Chinese (zh-CN).12

Communication Sites

  • Modern pages show the published date in the expected regional format.13

Data Loss Prevention

  • DLP policy tips and Override and Report actions work in subsites of site collections that are not at the root of a web application.14

Business Connectivity Services

  • Users can use Business Connectivity Services with the DotNetAssembly or WebService system type when support is enabled.15
    For trusted BDC models based on DotNetAssembly or WebService, enable support in SharePoint Management Shell with $farm = Get-SPFarm, $farm.ServerDebugFlags.Add(57007), $farm.ServerDebugFlags.Add(57008), $farm.update(), and iisreset.

Improvements 4 changes

People Picker

  • The People Picker search experience is improved.16

Hybrid search

  • New hybrid search performs better.17

SharePoint Search Service

  • SharePoint Search Service uses a registered SQL provider.18
    Microsoft.Data.SqlClient is registered as the SQL provider.

Cloud Search Service Application

  • A warning appears before deleting a Cloud Search Service Application if users have not verified that its hybrid indexes are removed.19
    The warning applies when users have not verified that the hybrid indexes are removed.

New feature 1 change

Property pane

  • A new option lets users hide the command bar in list and document library web parts.20

Known issues

  1. Open Affects: Everyone

    After you install this update, you might experience an issue when you configure calendar overlay settings.

    After installing this update, you might experience an issue when configuring calendar overlay settings.21

    Workaround status No workaround yet

    Microsoft has not published a manual workaround for this issue yet. Monitor release health until a resolving update is available.

Technical details

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

Data sheet

Released
2025-08-12
Classification
Security Updates
Type
Cumulative update
Restart
Required
Replaces
KB5002768, KB5002751, KB5002736, KB5002709
+13 earlier KB5002705, KB5002681, KB5002676, KB5002658, KB5002651, KB5002649, KB5002640, KB5002606, KB5002603, KB5002599, KB5002581, KB5002564, KB5002540
Replaced by
KB5002784
VersionBuildChannel
SE 16.0.18526.20518 General availability

Security

1 vulnerability fixed
1 important
VulnerabilitySeverityCVSS
CVE-2025-53760
Microsoft SharePoint Elevation of Privilege Vulnerability
 Important 7.1

Updated components

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

Sources

Updated
Cited passages from Microsoft's official notes (21)
  1. 1. This security update resolves a Microsoft SharePoint elevation of privilege vulnerability. support.microsoft.com
  2. 2. Fixes some GB18030 character set rendering issues. support.microsoft.com
  3. 3. Fixes the LanguageSynchronization timer job execution failure. support.microsoft.com
  4. 4. Fixes an issue in which Excel previews are not displayed in SharePoint search results. support.microsoft.com
  5. 5. Fixes an issue in which the NodeRunner.exe process stops responding and generates a System.AccessViolationException. support.microsoft.com
  6. 6. Fixes an issue in which filtering a Managed Metadata column breaks the filter functionality for other columns. support.microsoft.com
  7. 7. Fixes an issue in which you cannot copy or move files to a folder that contains Private Use Area (PUA) characters. support.microsoft.com
  8. 8. Fixes an issue in which an External List that's based on a Business Data Connectivity (BDC) connection does not display data. support.microsoft.com
  9. 9. Fixes an issue in which clearing a filter on a column prevents subsequent filter clearing operations on the remaining columns. support.microsoft.com
  10. 10. Fixes an issue in which the Editor field might update incorrectly when you move a file between document libraries. support.microsoft.com
  11. 11. Fixes an issue in which you cannot open uploaded .one files after you install the [March 11, 2025, update for SharePoint Server Subscription Edition (KB5002698)]. support.microsoft.com
  12. 12. Fixes an issue in which the "Configure usage and health data collection" string is not localized in Simplified Chinese (zh-CN) on the SharePoint Central Administration page. support.microsoft.com
  13. 13. Fixes an issue in which the published date on modern pages in Communication Sites is incorrectly displayed in US date format if a different regional format is expected. support.microsoft.com
  14. 14. Fixes an issue in which Data Loss Prevention (DLP) policy tip and Override and Report actions might not work in subsites of site collections that are not at the root of a web application. support.microsoft.com
  15. 15. To support BDC models that are based on the DotNetAssembly or WebService system type, you can enable the support by running the following commands in SharePoint Management Shell if you trust your BDC models: support.microsoft.com
  16. 16. Improves the People Picker Search experience. support.microsoft.com
  17. 17. Improves the performance of new hybrid search. support.microsoft.com
  18. 18. Registers Microsoft.Data.SqlClient as the SQL provider in SharePoint Search Service. support.microsoft.com
  19. 19. Adds a warning when deleting a Cloud Search Service Application (Cloud SSA) if users have not verified that the hybrid indexes are removed. support.microsoft.com
  20. 20. Adds a new toggle option in the property pane that lets users hide the command bar of list or document library web parts. support.microsoft.com
  21. 21. After you install this update, you may experience an issue when you configure calendar overlay settings. support.microsoft.com
Checked automatically: 8 of 8 checks passed, 21 quoted passages · compared with Microsoft's page on Oct 20, 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 4/5, clarity 4/5, 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