Summary
This security update resolves a Microsoft SharePoint Server remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2023-38177.
Notes:
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This is build 16.0.10404.20003 of the security update package.
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To apply this security update, you must have the release version of Microsoft SharePoint Server 2019 installed on the computer.
Improvements and fixes
This security update contains fixes for the following nonsecurity issues in SharePoint Server 2019:
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Fixes an issue in which you cannot access cross-site resources.
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Fixes an issue in which the cross-site publishing URL rewrite feature doesn't work.
This security update also contains fixes for the following nonsecurity issues. To fix these issues completely, you have to install KB 5002505 together with this update.
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Fixes an issue in which you cannot filter on a managed metadata column if the document library has more than 1,500 items after you install Description of the security update for SharePoint Server 2019: August 8, 2023 (KB5002436).
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Fixes an issue in which you cannot drag and drop email messages directly from Microsoft Outlook to a document library in Microsoft Edge or Google Chrome.
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Fixes an issue in which attachments that are added to a list item are not visible in the Modern UI until the page is refreshed.
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Fixes an issue in which you cannot update the list property value after you navigate between two lists.
Known issues in this update
You experience an issue in which some customized classic pages may be blocked by the Content Security Policy (CSP) restriction. For more information, see Customized classic pages may be blocked by CSP restriction (KB5033720).
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 5002472.
File hash information
File name |
SHA256 hash |
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sts2019-kb5002526-fullfile-x64-glb.exe |
C04D154746C3A33BD488E5C871DC2DF2C3C2D503F71CA08CF1358F9B7EDBFC51 |
File information
Download the list of files that are included in security update 5002526.
Information about protection and security
Protect yourself online: Windows Security support
Learn how we guard against cyber threats: Microsoft Security
Change history
The following table summarizes some of the most important changes to this topic.
Date |
Description |
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November 28, 2023 |
Added a "Known issues in this update" section to describe an issue that users may experience. |