KB5132748 - Description of the security update for SQL Server 2025 GDR: November 10, 2026

Applies To

SQL Server 2025 on Windows (all editions), SQL Server 2025 on Linux (all editions)

Release date: November 10, 2026

Version: 17.0.1155.3

Summary

This security update contains fixes and resolves vulnerabilities. To learn more about the vulnerabilities, see the following security advisories:

The Microsoft SQL Server components are updated to the following builds in this security update:

  • SQL Server - product version: 17.0.1155.3, file version: 2025.170.1155.3

Important

To help secure SQL Server on Windows, enable encryption with Extended Protection.

Improvements and fixes included in this update

A downloadable Microsoft Excel workbook that contains a summary list of builds, together with their current support lifecycle, is available. The Excel file also contains detailed fix lists. Download this Excel file now.

Note

Individual entries in the following table can be referenced directly through a bookmark. If you select any bug reference ID in the table, a bookmark tag is added to the URL by using the "#bkmk_NNNNNNN" format. You can then share this URL with others so that they can jump directly to the desired fix in the table.

Bug reference Description Fix area Component Platform
5270209 Fixes an out-of-bounds memory read action that can occur during processing of certain client connection requests. SQL Connectivity SQL Connectivity Windows
5556117 Disables XSLT scripting by default. To restore previous behavior, set EnableXsltScript to 1 under HKLM\SOFTWARE\Microsoft\Microsoft SQL Server\{version}\SSIS\XMLTask. Integration Services Integration Services Windows
5585856 Fixes an issue in which permissions aren't cleaned up correctly if EXTERNAL MODEL objects are dropped. SQL Server Engine Extensibility Linux, Windows
5614191 Improves identifier validation for merge replication. SQL Server Engine Replication Windows
5615792 Fixes a memory access issue that occurs if the SQL task in SQL Server Integration Services processes truncated OLE DB output parameters. Integration Services Integration Services Windows
5616332 Fixes an integer overflow that can cause memory access issues in the HTTP connection manager of SQL Server Integration Services. Integration Services Integration Services Windows
5616552 Fixes a memory access violation that might occur when you use the Raw File source component of SQL Server Integration Services. Integration Services Integration Services Windows
5622177 Fixes a heap buffer overflow during XML operation. SQL Server Engine Programmability Linux, Windows
5622470 Fixes a memory corruption issue in XA distributed transaction processing. SQL Server Engine Transaction Services Windows
5622610 Improves identifier validation for transactional replication. SQL Server Engine Replication Windows
5623593 Fixes an issue in which creating a JSON index that has an excessively long path can cause memory corruption. SQL Server now returns an error message instead. SQL Server Engine Programmability Windows
5623597 Fixes an access violation that can occur if JSON functions process a path that has more than 128 nesting levels. SQL Server now returns an error instead of crashing. SQL Server Engine Programmability Linux, Windows
5623600 Fixes an issue in which merging JSON array data can cause data corruption or an unexpected SQL Server dump file. SQL Server Engine Programmability Windows
5623604 Fixes an issue in which JSON_VALUE can include unintended memory content in a conversion error message if it's used together with RETURNING and multibyte UTF-8 input. SQL Server Engine Programmability Windows
5624100 Fixes an out-of-bounds read action in log block record parsing. SQL Server Engine Security Infrastructure Windows
5624539 Improves security for index operations in SQL Server. SQL Server Engine Methods to access stored data Windows
5624552 Fixes an issue in which querying a database that contains a corrupted row-compressed record can return unintended memory content. SQL Server now returns a database corruption error message instead. SQL Server Engine Access Methods Windows
5624573 Improves security for transaction logging in SQL Server. SQL Server Engine Methods to access stored data Windows
5624877 Improves validation of sparse column data in SQL Server to enhance security and reliability. SQL Server Engine Access Methods Windows
5624926 Improves security for transaction logging in SQL Server. SQL Server Engine Column Stores Windows
5624949 Improves the validation of variable-length column offsets if SQL Server processes database records. SQL Server Engine Methods to access stored data Windows
5624993 Improves database metadata validation in SQL Server. SQL Server Engine Backup Restore Windows
5632693 Improves the security and reliability of replication security metadata handling during subscriber database restore and upgrade operations. SQL Server Engine Replication Windows
5632807 Improves the security and reliability of the Log Reader Agent in heterogeneous transactional replication scenarios. SQL Server Engine Replication Windows
5632820 Improves the security and reliability of the change feed configuration. SQL Server Engine Replication Windows
5632855 Fixes a buffer overflow that occurs if merge replication processes more than 250 WebSync XML nickname entries. SQL Server Engine Replication Linux, Windows
5632881 Addresses an issue in replication operations that affects data validation. SQL Server Engine Replication Linux, Windows
5632894 Addresses an issue in Merge Replication Web Synchronization operations that affects data validation. SQL Server Engine Replication Linux, Windows
5632907 Addresses an issue in Change Event Streaming input data processing. SQL Server Engine Replication Linux, Windows
5632934 Strengthens authorization checks for certain replication-related database operations to prevent unintended disclosure of database information. SQL Server Engine Replication Windows
5635194 Strengthens security validation for stored procedures that are used by merge replication. SQL Server Engine Replication Windows
5635972 Fixes a security vulnerability that allows information disclosure or a denial of service if the SQL Database Engine reads a specially crafted SQL Trace file. SQL Server Engine Programmability Linux, Windows
5636118 Improves input validation for transaction identifiers that replication processes. SQL Server Engine Replication Linux, Windows
5636152 Improves memory safety if replication processes transaction identifiers. SQL Server Engine Replication Linux, Windows
5641942 Improves the handling of object names in internal stored procedures. SQL Server Engine Management Services Linux, Windows
5645715 Improves the handling of database names in SQLdiag for long names and names that contain Unicode characters. SQL Server Client Tools SQLDiag Windows
5653493 Strengthens security validation for replication during database upgrades. SQL Server Engine Replication Windows
5653521 Improves the validation of conflict table names for transactional replication. SQL Server Engine Replication Windows
5653570 Improves parameter validation for the Queue Reader Agent. SQL Server Engine Replication Windows
5653593 Improves the handling of conflict table names in merge replication. SQL Server Engine Replication Windows
5653626 Strengthens security validation for conflict reporting in merge replication. SQL Server Engine Replication Windows
5653638 Improves the validation of object names for schema changes in merge replication. SQL Server Engine Replication Windows
5653705 Improves the handling of table names in the generated procedures for merge replication. SQL Server Engine Replication Windows
5653718 Strengthens input validation for change processing in merge replication. SQL Server Engine Replication Windows
5653741 Improves security if transactional replication processes schema changes. SQL Server Engine Replication Windows
5653759 Strengthens security checks for lightweight merge replication operations. SQL Server Engine Replication Windows
5653803 Improves security validation for the processing of queued replication data. SQL Server Engine Replication Windows
5653820 Improves authorization validation for SQL Server Agent job steps. SQL Server Engine Management Services Windows
5653829 Strengthens role validation for replication subscription checks. SQL Server Engine Replication Windows
5654546 Improves the protection of replication data and operations. SQL Server Engine Replication Linux, Windows
5660607 Improves input validation for PolyBase stored procedures. SQL Server Engine PolyBase Linux, Windows
5713386 Fixes an access violation that occurs if DBCC CHECKTABLE or DBCC CHECKDB checks a table that has a PERSISTED computed column that is based on a native json column. SQL Server Engine Programmability Linux, Windows
5720061 Strengthens security checks for linked server access in replication. SQL Server Engine Replication Linux, Windows
5720086 Improves input validation for Azure Synapse Link for SQL. SQL Server Engine Replication Linux, Windows
5722306 Fixes an issue in which malformed replication article metadata with missing or sparse column ordinals can cause the Log Reader Agent to access invalid rowset bindings. SQL Server Engine Replication Windows
5722313 Fixes an information disclosure vulnerability in replication queue command decoding in xp_decodequeuecmd. SQL Server Engine Replication Windows
5723121 Fixes a heap buffer overflow that can occur in the Log Reader Agent. SQL Server Engine Replication Windows
5723143 Improves Merge Replication error-source parsing by adding bounded validation. SQL Server Engine Replication Windows
5731763 Fixes an elevation of privilege vulnerability in SQL Server merge replication. Replication system procedures now reject batch separators in subscriber validation expressions. SQL Server Engine Replication Windows

How to obtain and install the update

Method 1: Windows 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.

Note

  • The detection logic has been updated for this and future security releases that are posted to the Microsoft Update Catalog website. For more information, see Updates to the Microsoft Update detection logic for SQL Server servicing.
  • This update is made available through the Microsoft Update Catalog for all servers that are running SQL Server, even if Power BI Report Server is not installed. Installing this security update is optional for computers that do not host Power BI Report Server. For more information, see Download Power BI Report Server.

Method 3: Microsoft Download Center

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

Download icon Download the package now

More information

Prerequisites

To apply this update, you must have SQL Server 2025 or any SQL Server 2025 GDR release through this SQL Server 2025 GDR installed.

Security update deployment information

For deployment information about this update, see Deployments - Security Update Guide.

File hash information

File name SHA256 hash
SQLServer2025-KB5132748-x64.exe CB08B7AB9D18CC6DC16FF519DCFBD4316D0D6275A1B1FAC7EE021BBD9BC69086

File information

The English version of this package has the file attributes (or later file attributes) that are listed in the following worksheet. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

For all supported x64-based versions - Download the list of files that are included in security update 5132748.

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security