Microsoft Security Response Center

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user (UI:R) into attempting to connect to a malicious SQL server database via a connection driver (for example: OLE DB or OLEDB as applicable). This could result in the database returning malicious data that could cause arbitrary code execution on the client.

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user (UI:R) into attempting to connect to a malicious SQL server database via a connection driver (for example: OLE DB or OLEDB as applicable). This could result in the database returning malicious data that could cause arbitrary code execution on the client.

**How could an attacker exploit this vulnerability?** An attacker could exploit the vulnerability by tricking an authenticated user (UI:R) into attempting to connect to a malicious SQL server database via a connection driver (for example: OLE DB or OLEDB as applicable). This could result in the database returning malicious data that could cause arbitrary code execution on the client.

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker who successfully exploited this vulnerability could gain domain administrator privileges.

**What privileges could be gained by an attacker who successfully exploited the vulnerability?** An attacker would be able to delete any system files.

**I am running SQL Server on my system. What action do I need to take?** Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. **I am running my own application on my system. What action do I need to take?** Update your application to use Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed on this page, which provide protection against this vulnerability. **I am running an application from a software vendor on my system. What action do I need to take?** Consult with your application vendor if it is compatible with Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed in this page, which provide protection against this vulnerability **There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?** * First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Micr...

**I am running SQL Server on my system. What action do I need to take?** Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. **I am running my own application on my system. What action do I need to take?** Update your application to use Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed on this page, which provide protection against this vulnerability. **I am running an application from a software vendor on my system. What action do I need to take?** Consult with your application vendor if it is compatible with Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed in this page, which provide protection against this vulnerability **There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?** * First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Micr...

**I am running SQL Server on my system. What action do I need to take?** Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. **I am running my own application on my system. What action do I need to take?** Update your application to use Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed on this page, which provide protection against this vulnerability. **I am running an application from a software vendor on my system. What action do I need to take?** Consult with your application vendor if it is compatible with Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed in this page, which provide protection against this vulnerability **There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?** * First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Micr...

**I am running SQL Server on my system. What action do I need to take?** Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. **I am running my own application on my system. What action do I need to take?** Update your application to use Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed on this page, which provide protection against this vulnerability. **I am running an application from a software vendor on my system. What action do I need to take?** Consult with your application vendor if it is compatible with Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed in this page, which provide protection against this vulnerability **There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?** * First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Micr...

**I am running SQL Server on my system. What action do I need to take?** Update your relevant version of SQL Server. Any applicable driver fixes are included in those updates. **I am running my own application on my system. What action do I need to take?** Update your application to use Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed on this page, which provide protection against this vulnerability. **I am running an application from a software vendor on my system. What action do I need to take?** Consult with your application vendor if it is compatible with Microsoft OLE DB Driver 18 or 19. Update the drivers to the versions listed in this page, which provide protection against this vulnerability **There are GDR and/or CU (Cumulative Update) updates offered for my version of SQL Server. How do I know which update to use?** * First, determine your SQL Server version number. For more information on determining your SQL Server version number, see Micr...