Microsoft SQL Server SQL Server 2019 Update Version 15.0.4460.4
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Update Summary
KB5077469 is a security update for SQL Server 2019 CU32 that fixes vulnerabilities and updates SQL Server to version 15.0.4460.4. It addresses CVE-2026-21262 and CVE-2026-26115.
Update Details
Security
- Fixes CVE-2026-21262: SQL Server elevation of privilege vulnerability.
- Fixes CVE-2026-26115: SQL Server elevation of privilege vulnerability.
- Blocks
ALTER USERwhen the target login is the system Administrator account. - Fixes an elevation of privilege vulnerability in the version upgrade process for merge replication.
Hints
- If you install a language pack after installing this update, you must reinstall the update.
- For Linux, configure the Cumulative Update repository first, then update SQL Server packages using the platform-specific command.
- The update is available through Windows Update, Microsoft Update Catalog, and Microsoft Download Center.
- Installing this security update is optional for computers that do not host Microsoft SQL Server Reporting Services.
Links
-
Microsoft Download Center package
https://www.microsoft.com/en-us/download/details.aspx?id=0
Product Information
Vendor: Microsoft
Product: SQL Server
Product type: Software
Variant: SQL Server 2019
Version: 15.0.4460.4
Vendor information published: Mar 10, 2026
Original release notes: View on vendor site
Published on updatealert.io: Aug 16, 2026