Description of the security update for SQL Server 2017 GDR: May 14, 2019

Applies to: SQL Server 2017 on Windows


An information disclosure vulnerability exists in Microsoft SQL Server Analysis Services if it incorrectly enforces metadata permissions. An attacker could exploit the vulnerability if the attacker's credentials allow access to an affected Analysis Services database. To learn more about the vulnerability, go to CVE-2019-0819.

This security update fixes a potential leak of restricted data that is not protected correctly by the Object-Level Security (OLS) system in SQL Server Analysis Services.

How to obtain and install the update

Method 1: Microsoft Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, 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

The following file is available for download from the Microsoft Download Center:

Download the package now
Release Date: May 14, 2019

For more information about how to download Microsoft support files, click the following article number to go to the article in the Microsoft Knowledge Base:

How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses by using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.

Method 4: For SQL Server 2017 on Linux platforms and containers

  • There is no corresponding Linux package for this release.  The fix is in SQL Server Analysis Services, which does not ship on Linux.

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

More information

Security update deployment information

For deployment information about this update, see security update deployment information: May 14, 2019.

Security update replacement information

This security update replaces the previously released security update 4293803.

File hash information

File name SHA1 hash SHA256 hash
SQLServer2017-KB4494351-x64.exe 31AC1DA09E364B65A16EFB651C7AA467A78E5AEE 45000486C12513DE27374B5EC13A5EF898A502B583504C18D80ABE67B8AC70D0

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

How to get help and support for this security update

Help for installing updates: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Security

Local support according to your country: International Support