Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
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. 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 Microsoft Knowledge Base Article 321185 - How to determine the version, edition, and update level of SQL Server and its components. Second, in the following table, locate your version number or the version range that your version number falls within. The corresponding update is the one you need to install. Note If your SQL Server version number is not represented in the table below, your SQL Server version is no longer supported. Please upgrade to the latest Service Pack or SQL Server product to apply this and future security updates. Update Number Release Version Apply if current product version is… This security update also includes servicing releases up through… 5073177 SQL Server 2025 RTM+GDR (January GDR) 17.0.1050.2 17.0.1000.7 N/A 5072936 SQL Server 2022 CU22+GDR (January GDR) 16.0.4230.2 16.0.4003.1 – 16.0.4225.2 KB5068450 – Previous SQL2022 RTM CU22 5073031 SQL Server 2022 RTM+GDR (January GDR) 16.0.1165.1 16.0.1000.6 – 16.0.1160.1 KB5068407 – Previous SQL2022 RTM GDR What are the GDR and CU update designations and how do they differ? The General Distribution Release (GDR) and Cumulative Update (CU) designations correspond to the two different servicing options in place for SQL Server baseline releases. A baseline can be either an RTM release or a Service Pack release. GDR updates – cumulatively only contain security updates for the given baseline. CU updates – cumulatively contain all functional fixes and security updates for the given baseline. For any given baseline, either the GDR or CU updates could be options (see below).
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