Microsoft SQL Server SQL Server 2019 Update Version 15.0.4465.1
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Update Summary
KB5084816 updates SQL Server 2019 to build 15.0.4465.1 and fixes elevation-of-privilege vulnerabilities, including CVE-2026-32167 and CVE-2026-32176. It also includes linked server and SQL Agent security fixes.
Update Details
Security
- Fixes CVE-2026-32167 and CVE-2026-32176, both SQL Server elevation-of-privilege vulnerabilities.
- Addresses an elevation-of-privilege issue in SQL Server linked servers that could let a low-privileged user gain
sysadminpermissions. - Fixes a SQL injection issue in SQL Agent that could allow an authorized attacker to elevate privileges over the network.
Known Issues
- Linked server queries that use MSDASQL with a provider string (
@provstr) can fail with error 7416: 'Access to the remote server is denied because no login-mapping exists.' - A stricter connection validation check in the Database Engine may reject some linked server configurations that use the MSDASQL provider.
Hints
- Prerequisite: SQL Server 2019 or any SQL Server 2019 CU release through this SQL Server 2019 CU32 GDR must already be installed.
- If you install a language pack after installing this update, you must reinstall the update.
- For Linux, the Cumulative Update repository must be configured before updating SQL Server 2019 to the latest CU.
Links
-
Microsoft Download Center package
https://www.microsoft.com/en-us/download/details.aspx?id=0
-
Microsoft Update Catalog
https://www.catalog.update.microsoft.com/
Product Information
Vendor: Microsoft
Product: SQL Server
Product type: Software
Variant: SQL Server 2019
Version: 15.0.4465.1
Vendor release date: Apr 14, 2026
Original release notes: View on vendor site
Published on updatealert.io: Aug 16, 2026