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Update Summary

KB5083252 updates SQL Server 2022 to build 16.0.4250.1 and fixes elevation-of-privilege vulnerabilities, including CVE-2026-32167 and CVE-2026-32176. It also addresses linked-server and SQL Agent security issues.

Update Details

Security

  • Fixes CVE-2026-32167: SQL Server linked servers elevation-of-privilege vulnerability that could let a low-privileged user gain sysadmin permissions.
  • Fixes CVE-2026-32176: SQL injection issue in SQL Server that could allow an authorized attacker to elevate privileges over the network.

Bug Fixes

  • Addresses linked server query failures with MSDASQL provider string configurations that can return error 7416 due to stricter connection validation.
  • Resolves a SQL Agent issue related to improper neutralization of special elements in SQL commands.

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.

Hints

  • To install on Windows, use Windows Update, Microsoft Update Catalog, or the Microsoft Download Center package.
  • For SQL Server 2022 on Linux, configure the Cumulative Update repository first, then update packages using the platform-specific command.
  • If you install a language pack after this update, reinstall the update.
  • This update is optional for computers that do not host Microsoft SQL Server Reporting Services.

Links

Product Information

Vendor: Microsoft

Product: SQL Server

Product type: Software

Variant: SQL Server 2022

Version: 16.0.4250.1

Vendor release date: Apr 14, 2026

Original release notes: View on vendor site

Published on updatealert.io: Aug 16, 2026