Summary
This security update resolves a Microsoft SharePoint Server remote code execution vulnerability, and Microsoft SharePoint Server denial of service vulnerability. To learn more about the vulnerabilities, see the following security advisories:
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Microsoft Common Vulnerabilities and Exposures CVE-2024-38018
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Microsoft Common Vulnerabilities and Exposures CVE-2024-38227
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Microsoft Common Vulnerabilities and Exposures CVE-2024-38228
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Microsoft Common Vulnerabilities and Exposures CVE-2024-43464
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Microsoft Common Vulnerabilities and Exposures CVE-2024-43466
Notes:
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This is build 16.0.17928.20086 of the security update package.
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To apply this security update, you must have the release version of Microsoft SharePoint Server Subscription Edition installed on the computer.
Improvements and fixes
This security update introduces the SharePoint Server Subscription Edition Version 24H2 feature update. This feature update will be included in all SharePoint Server Subscription Edition public updates going forward. For more information about this feature update, see New and improved features in SharePoint Server Subscription Edition Version 24H2.
This security update contains an improvement and fixes for the following nonsecurity issues in SharePoint Server Subscription Edition:
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Improves logging for the invalid URL field schema.
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Fixes an issue in which the lookup column that gets its data from a date-time column is incorrect if a JSON-formatted column exists in the view.
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Fixes an issue in which the business data connectivity (BDC) features don't work correctly after you install the latest .NET cumulative updates.
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Fixes an issue in which My Site authentication is prompted repeatedly when a user doesn't have permissions to the followed sites.
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Fixes an issue in which the grouped list view on a required field is displayed as not grouped when in page navigation mode.
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Fixes an issue in which the list web part doesn't display the correct values for users if the user column is multi-value.
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Fixes an issue of high CPU usage during search process.
Known issues in this update
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After you apply this update, you might experience an issue that affects the deserialization of custom types that inherit from IDictionary. For more information, see Certain types that inherit from IDictionary are blocked from deserialization (KB5043462).
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You might experience an issue in which SharePoint workflows can't be published because the unauthorized type is blocked. The issue also generates event tag "c42q0" in SharePoint Unified Logging System (ULS) logs.
To work around this issue, register the safe types in the Web.config file. You can look for event tag "c42q0" in ULS logs to find the blocked type. If the type and assembly are safe, add the type to the authorized list in the Web.config file. For example:<System.Workflow.ComponentModel.WorkflowCompiler> <authorizedTypes> <targetFx version="v4.0"> <authorizedType Assembly="Microsoft.SharePoint.WorkflowActions, Version=16.0.0.0, Culture=neutral, PublicKeyToken=null" Namespace="Microsoft.SharePoint.WorkflowActions.WithKey" TypeName="*" Authorized="True" /> </targetFx> </authorizedTypes>
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 5002606.
File hash information
File name |
SHA256 hash |
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uber-subscription-kb5002640-fullfile-x64-glb.exe |
7483A73E616FCDE89C7CAFF79B2489FFFB1F2D9B0B0BAE340B99A44127D4AC70 |
File information
Download the list of files that are included in security update 5002640.
Information about protection and security
Protect yourself online: Windows Security support
Learn how we guard against cyber threats: Microsoft Security