Microsoft SQL Server SQL Server 2025 Update Version 17.0.4030.1
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Update Summary
KB5083245 updates SQL Server 2025 CU3 and addresses elevation of privilege vulnerabilities, including CVE-2026-32167 and CVE-2026-32176. It also includes build 17.0.4030.1 and fixes linked-server and SQL Agent security issues.
Update Details
Security
- Fixes CVE-2026-32167: SQL Server elevation of privilege vulnerability.
- Fixes CVE-2026-32176: SQL Server elevation of privilege vulnerability.
- Addresses a linked-server elevation of privilege issue that could let a low-privileged SQL Server user gain
sysadminpermissions. - Fixes a SQL injection issue in SQL Agent that could allow an authorized attacker to elevate privileges over the network.
Bug Fixes
- Linked server queries that use MSDASQL with a provider string can fail with error 7416 due to stricter connection validation.
Known Issues
- Linked server queries that use MSDASQL and specify a provider string (
@provstr) may fail with error 7416: 'Access to the remote server is denied because no login-mapping exists.'
Hints
- Applies to SQL Server 2025 on Windows and Linux.
- Microsoft states that the update includes build 17.0.4030.1 (file version 2025.170.4030.1).
- A downloadable Excel workbook with build and fix details is available from the release note.
Product Information
Vendor: Microsoft
Product: SQL Server
Product type: Software
Variant: SQL Server 2025
Version: 17.0.4030.1
Vendor information published: Apr 14, 2026
Original release notes: View on vendor site
Published on updatealert.io: Sep 29, 2026