KLA12043
PE vulnerability in Microsoft SQL Server

An elevation of privilege vulnerability was found in Microsoft SQL Server. Malicious users can exploit this vulnerability to gain privileges.

Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (GDR)
Microsoft SQL Server 2017 for x64-based Systems (CU 22)
Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (GDR)
Microsoft SQL Server 2012 for 32-bit Systems Service Pack 4 (QFE)
Microsoft SQL Server 2017 for x64-based Systems (GDR)
Microsoft SQL Server 2019 for x64-based Systems (GDR)
Microsoft SQL Server 2014 Service Pack 3 for 32-bit Systems (CU 4)
Microsoft SQL Server 2012 for x64-based Systems Service Pack 4 (QFE)
Microsoft SQL Server 2016 Service Pack 2 for x64-based Systems (CU 15)
Microsoft SQL Server 2016 for x64-based Systems Service Pack 2 (GDR)
Microsoft SQL Server 2019 for x64-based Systems (CU 8)
Microsoft SQL Server 2014 Service Pack 3 for x64-based Systems (CU 4)

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

CVE-2021-1636

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