Description of the security update for SharePoint Server 2016 Language Pack: September 9, 2025 (KB5002777)

Applies To
SharePoint Server 2016

Summary

Important

  • Prior to installing this Cumulative Update, if you're running the 2013 Style Workflows, you must install the August 2025 patch for SharePoint Workflow manager to your Farm.
  • If you're currently running the Classic version of Workflow manager, then you must upgrade to the latest build of SharePoint Workflow manager.

This security update resolves a Microsoft Word information disclosure vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2025-54905.

Note

  • This is build 16.0.5517.1000 of the security update package.
  • To apply this security update, you must have the release version of Microsoft SharePoint Server 2016 installed on the computer.

This public update delivers Feature Pack 2 for SharePoint Server 2016. Feature Pack 2 contains the following feature:

  • SharePoint Framework (SPFx)

This public update also delivers all the features that were included in Feature Pack 1 for SharePoint Server 2016, including the following:

  • Administrative Actions Logging
  • MinRole enhancements
  • SharePoint Custom Tiles
  • Hybrid Taxonomy.
  • OneDrive API for SharePoint on-premises
  • OneDrive for Business modern user experience (available to Software Assurance customers)

The OneDrive for Business modern user experience requires an active Software Assurance contract at the time that the experience is enabled, either by installation of the public update or by manual enablement. If you don't have an active Software Assurance contract at the time of enablement, you must turn off the OneDrive for Business modern user experience.

For more information, see the following Microsoft Learn articles:

How to get and install the update

Method 1: Microsoft Update

This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.

Method 2: Microsoft Update Catalog

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

More information

Security update deployment information

For deployment information about this update, see Deployments - Security Update Guide.

Security update replacement information

This security update replaces previously released security update 5002772.

File hash information

File name SHA256 hash
wssloc2016-kb5002777-fullfile-x64-glb.exe 5E46ED05CF2E7D28558276585905A0854B1037016D513EB4C9550257DCAA2E01

File information

The global version of this update has the file attributes (or later file attributes) that are listed in the following table.

x64

wss-x-none.msp file information
File nameFile versionFile sizeDateTimeSvrsetup.exe16.0.5513.10008,02,27212-Aug-2508:41Wsssetup.dll16.0.5517.10001,32,97,09613-Aug-2503:04
wssmui-en-us.msp file information
File nameFile versionFile sizeDateTimeAccessserver.resources.dll.103316.0.5362.100079,77612-Aug-2508:39Accessservices.resources.dll.103316.0.5362.100091,52012-Aug-2508:39Addgalim.xap_1033Not applicable76,81913-Aug-2503:04Adodb.dll.deploy.10336.0.0.01,07,10413-Aug-2503:04Adodb.dll.deploy.forceupdate.10336.0.0.01,07,10413-Aug-2503:04Artleft.htm_1033Not applicable6,23512-Aug-2508:45Artlink.htm_1033Not applicable4,83112-Aug-2508:45Artright.htm_1033Not applicable5,31412-Aug-2508:45Avreport.htm_1033Not applicable8,62412-Aug-2508:45Berinc.css_1033Not applicable3,42,05712-Aug-2508:45Berlinmb.css_1033Not applicable3,42,33712-Aug-2508:45Btmast.htm_1033Not applicable25,41912-Aug-2508:45Catart.htm_1033Not applicable8,22212-Aug-2508:45Catwelco.htm_1033Not applicable8,37512-Aug-2508:45Conversion.excel.xlsrvintl.dll_103316.0.5446.10002,08,06412-Aug-2517:48Conversion.msoserver.msointl30_win32.dll_103316.0.5408.100072,68012-Aug-2508:39Conversion.msoserver.msoserverintl.dll_103316.0.5430.100013,56,26412-Aug-2508:38Core.rsx_1033Not applicable5,01,17812-Aug-2508:45Corev15.csst_1033Not applicable3,38,14112-Aug-2508:45Corev15.css_1033Not applicable3,38,14112-Aug-2508:45Corev15a.csst_1033Not applicable3,38,23512-Aug-2508:45Corev15a.css_1033Not applicable3,38,23512-Aug-2508:45Crosoft.performancepoint.scorecards.designerplugins.dll.deploy.103316.0.5517.100061,82,51213-Aug-2503:04Crosoft.performancepoint.scorecards.wizardframework.dll.deploy.103316.0.5517.10001,28,59213-Aug-2503:04Dashboarddesigner.exe.deploy.103316.0.5517.10009,75,37613-Aug-2503:04Dashboarddesigner.resources.dll.deploy.103316.0.5517.10004,30,23213-Aug-2503:04Ddmanager.exe.deploy.103316.0.5155.10003,05,42413-Aug-2503:04Ddmanager.intl.dll.deploy.103316.0.4666.100036,58413-Aug-2503:04Ddmanager.intl.resources.dll.deploy.103316.0.4666.100066,28013-Aug-2503:04Designer.application.1033Not applicable20,00713-Aug-2503:04Designer.exe.manifest.1033Not applicable34,79513-Aug-2502:09Discoverydownloadmanager.application.1033Not applicable20,08513-Aug-2503:04Discoverydownloadmanager.exe.manifest.1033Not applicable28,93913-Aug-2502:09Dlccore_llcc.resx_1033Not applicable1,37,67712-Aug-2518:01Dsigres.cab.x64.1033Not applicable2,37,64713-Aug-2503:04Dsigres.cab.x86.1033Not applicable1,99,82713-Aug-2503:04Entwiki.htm_1033Not applicable6,22312-Aug-2508:45Error.htm_1033Not applicable5,96212-Aug-2508:45Errorv4.htm_1033Not applicable3,21712-Aug-2508:45Filedlg.htm_0011_1033Not applicable5,90212-Aug-2508:45Fontdlg.htm_1033Not applicable3,12312-Aug-2508:45Fpext.msg_1033Not applicable1,71,13012-Aug-2517:42Iframe.htm_1033Not applicable39612-Aug-2508:45Iframe.htm_14_1033Not applicable39812-Aug-2508:45Ifsintl.dll.103316.0.5362.10002,02,64012-Aug-2508:45Instable.htm_1033Not applicable4,16912-Aug-2508:45Interop.cdosys.dll.deploy.103316.0.4666.100066,79213-Aug-2503:04Ipfshelp.xml.1033Not applicable2,09,84712-Aug-2508:43Irmrept.htm_1033Not applicable9,26512-Aug-2508:45Lyoninc.css_1033Not applicable3,43,49412-Aug-2508:45Lyonmb.css_1033Not applicable3,42,33712-Aug-2508:45Mergejsstringsd_js_1033Not applicable1,85,84012-Aug-2508:45Mergejsstrings_js_1033Not applicable1,80,23012-Aug-2508:45Microsoft.office.client.policy.dll.deploy.103316.0.4666.100029,91213-Aug-2503:04Microsoft.office.mhtexport.dll.deploy.103316.0.4666.100035,02413-Aug-2503:04Microsoft.office.project.shared.intl.loc.dll.103316.0.5161.100011,14,98412-Aug-2518:01Microsoft.office.server.powerpoint.dllhelp.xml_1033Not applicable27,97012-Aug-2508:43Microsoft.office.visio.server.dll_help.xml.1033Not applicable1,01,79912-Aug-2508:43Microsoft.performancepoint.scorecards.client.dll.deploy.103316.0.5517.100022,43,71213-Aug-2503:04Microsoft.performancepoint.scorecards.common.dll.deploy.103316.0.5517.100074,37613-Aug-2503:04Microsoft.sharepoint.client.dll.deploy.103316.0.5515.10006,60,41613-Aug-2503:04Microsoft.sharepoint.client.runtime.dll.deploy.103316.0.4666.10003,05,39213-Aug-2503:04Microsoft.sharepoint.client.runtime_1.dll.deploy.103316.0.4666.10003,05,39213-Aug-2503:04Microsoft.sharepoint.client.search.dll.deploy.103316.0.4666.100083,68813-Aug-2503:04Microsoft.sharepoint.client_1.dll.deploy.103316.0.5515.10006,60,41613-Aug-2503:04Moss.ecm.dll_help.xml_1033Not applicable1,34,27512-Aug-2508:45Mssmsg.dll.103316.0.4579.10002,01,47212-Aug-2508:45Mssmsg.dll_0001.103316.0.4579.10002,01,47212-Aug-2508:45Notesstp.exe.oss.103316.0.5452.10005,88,35212-Aug-2508:45Oslo.csst_1033Not applicable3,41,69712-Aug-2508:45Oslo.css_1033Not applicable3,41,69712-Aug-2508:45Osloapp.csst_1033Not applicable3,38,23512-Aug-2508:45Osloapp.css_1033Not applicable3,38,23512-Aug-2508:45Oslomb.css_1033Not applicable3,42,33712-Aug-2508:45Osoft.performancepoint.scorecards.designerworkspace.dll.deploy.103316.0.5517.10003,97,44013-Aug-2503:04Osrv.rsx_1033Not applicable8,76212-Aug-2508:45Osrvcmdh.xml_1033Not applicable1,57,12712-Aug-2508:43Osrvcore.rsx_1033Not applicable36,44112-Aug-2508:45Oss.search.powershell.help.xml_1033Not applicable14,52,29812-Aug-2508:43Ppsma.dll_help.xml_1033Not applicable1,71,72312-Aug-2508:45Ppt.conversion.ppintl.dll_103316.0.4954.100012,16,31212-Aug-2508:38Prjsvr.cmdlethelp.xml.1033Not applicable2,59,50912-Aug-2508:43Pwa.lcid.resx.1033Not applicable8,06,06712-Aug-2508:45Reviewpublishing_feature.xml_1033Not applicable1,15512-Aug-2518:01Reviewspd_feature.xml_1033Not applicable1,23712-Aug-2518:01Rformancepoint.scorecards.designerplugins.resources.dll.deploy.103316.0.5517.100039,19,95213-Aug-2503:04Rformancepoint.scorecards.wizardframework.resources.dll.deploy.103316.0.5517.100060,00813-Aug-2503:04Rgnlstng.xml_1033Not applicable26,64812-Aug-2508:45Rmancepoint.scorecards.designer.framework.resources.dll.deploy.103316.0.5517.10003,80,54413-Aug-2503:04Rmancepoint.scorecards.designer.workspace.resources.dll.deploy.103316.0.5517.100026,66413-Aug-2503:04Rosoft.performancepoint.common.calculation.resources.dll.deploy.103316.0.5517.100035,41613-Aug-2503:04Rosoft.performancepoint.scorecards.client.resources.dll.deploy.103316.0.5517.100013,75,88013-Aug-2503:04Rosoft.performancepoint.scorecards.common.resources.dll.deploy.103316.0.5517.100027,80813-Aug-2503:04Selcolor.htm_1033Not applicable12,16512-Aug-2508:45Signaturesspd_feature.xml_1033Not 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applicable51,67012-Aug-2508:43Wefgallery_strings.js.1033Not applicable5,40512-Aug-2508:39Welsplas.htm_1033Not applicable5,56712-Aug-2508:45Wshellui.mst_1033Not applicable14,33613-Aug-2503:04Wsshelp.xml_1033Not applicable38,04,20912-Aug-2508:43Wsslcid.rsx_1033Not applicable7,38,52612-Aug-2508:45Wssmanifest.man_1033Not applicable8,49,84712-Aug-2508:45Xlmsmdsr.rll_10332011.110.9166.19111,27,47212-Aug-2508:39_basicpg.htm_1033Not applicable17612-Aug-2508:45_wppage.htm_1033Not applicable17912-Aug-2508:45

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