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CVE-2026-47296 Microsoft SQL Server Elevation of Privilege Vulnerability

CVE-2026-47296 is an Important-severity local SQL injection vulnerability (CVSS 7.8) in Microsoft SQL Server that allows an authenticated attacker with low privileges to elevate to sysadmin. The exploit requires local access and low attack complexity, but exploitation is currently assessed as less likely. Microsoft has released security updates; administrators must apply the relevant GDR or Cumulative Update for their supported SQL Server version.
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Privacy Statement Third-Party Cookies AcceptRejectManage cookies MSRC  Customer Guidance  Security Update Guide  Vulnerabilities  CVE-2026-47296 Microsoft SQL Server Elevation of Privilege Vulnerability New On this page  CVE-2026-47296  Subscribe RSS PowerShell  API  CSAF Security Vulnerability Released: Jul 14, 2026 Assigning CNA Microsoft CVE.org link CVE-2026-47296  Impact Elevation of Privilege Max Severity Important Weakness CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CVSS Source Microsoft Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Metrics CVSS:3.1 7.8 / 6.8  Base score metrics: 7.8 / Temporal score metrics: 6.8  Expand all  Collapse all Metric Value   Base score metrics(8) Attack Vector Local Attack Complexity Low Privileges Required Low User Interaction None Scope Unchanged Confidentiality High Integrity High Availability High   Temporal score metrics(3) Exploit Code Maturity Unproven Remediation Level Official Fix Report Confidence Confirmed Please see Common Vulnerability Scoring System for more information on the definition of these metrics. Executive Summary Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges locally. Exploitability The following table provides an exploitability assessment for this vulnerability at the time of original publication. Publicly disclosed No Exploited No Exploitability assessment Exploitation Less Likely FAQ What privileges could be gained by an attacker who successfully exploited the vulnerability? An attacker who successfully exploited this vulnerability could gain sysadmin privileges. 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 Title Version Apply if current product version is… This security update also includes servicing releases up through… 5101346 Security update for SQL Server 2025 CU6+GDR 17.0.4060.2 17.0.4006.2 - 17.0.4055.5 KB5093421 - Previous SQL2025 RTM CU6 5102333 Security update for SQL Server 2025 RTM+GDR 17.0.1125.2 17.0.1000.7 - 17.0.1115.1 KB5091223 - Previous SQL2025 RTM GDR 5101347 Security update for SQL Server 2022 CU25+GDR 16.0.4262.2 16.0.4003.1 - 16.0.4255.1 KB5081477 - Previous SQL2022 RTM CU25 5102334 Security update for SQL Server 2022 RTM+GDR 16.0.1190.2 16.0.1000.6 - 16.0.1180.1 KB5091158 - Previous SQL2022 RTM GDR 5102335 Security update for SQL Server 2019 CU32+GDR 15.0.4480.2 15.0.4003.23 - 15.0.4470.1 KB5090407 - Previous SQL2019 RTM CU32 GDR 5102336 Security update for SQL Server 2019 RTM+GDR 15.0.2180.2 15.0.2000.5 - 15.0.2170.1 KB 5090408 - Previous SQL2019 RTM GDR 5102337 Security update for SQL Server 2017 CU31+GDR 14.0.3540.1 14.0.3006.16 - 14.0.3530.2 KB 5090354 - Previous SQL2017 RTM CU31 GDR 5102338 Security update for SQL Server 2017 RTM+GDR 14.0.2120.1 14.0.1000.169 - 14.0.2110.2 KB 5090347 - Previous SQL2017 RTM GDR 5102339 Security update for SQL Server 2016 Azure Connect Feature Pack+GDR 13.0.7095.1 13.0.7000.253 - 13.0.7085.1 KB 5089270 - Previous SQL2016 Azure Connect Feature Pack GDR 5102340 Security update for SQL Server 2016 SP3+GDR 13.0.6500.1 13.0.6300.2 - 13.0.6490.1 KB 5089271 - Previous SQL2016 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). If SQL Server installation is at a baseline version, you can choose either the GDR or CU update. If SQL Server installation has intentionally only installed past GDR updates, then choose to install the GDR update package. If SQL Server installation has intentionally installed previous CU updates, then choose to install the CU security update package. Note: You are allowed to make a change from GDR updates to CU updates ONE TIME. Once a SQL Server CU update is applied to a SQL Server installation, there is NO way to go back to the GDR update path. Can the security updates be applied to SQL Server instances on Windows Azure (IaaS)? Yes. SQL Server instances on Windows Azure (IaaS) can be offered the security updates through Microsoft Update, or customers can download the security updates from Microsoft Download Center and apply them manually. Acknowledgements Sharath Unni Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information. Security Updates To determine the support lifecycle for your software, see the Microsoft Support Lifecycle. Release date Descending  Edit columns  Download  Filters  Product Family  Max Severity  Impact  Platform   Clear Release date  Product Platform Impact Max Severity Article Download Build Number Assigning CNA Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2019 for x64-based Systems (CU 32) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2019 for x64-based Systems (CU 32), Content:, 1 link 5102335  Title: Download Security Update for Microsoft SQL Server 2019 for x64-based Systems (CU 32), Content:, 1 link Security Update  Title: Build numbers, Content: 15.0.4480.2 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2025 for x64-based Systems (GDR) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2025 for x64-based Systems (GDR), Content:, 1 link 5102333  Title: Download Security Update for Microsoft SQL Server 2025 for x64-based Systems (GDR), Content:, 1 link Security Update  Title: Build numbers, Content: 17.0.1125.2 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2022 for x64-based Systems (GDR) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2022 for x64-based Systems (GDR), Content:, 1 link 5102334  Title: Download Security Update for Microsoft SQL Server 2022 for x64-based Systems (GDR), Content:, 1 link Security Update  Title: Build numbers, Content: 16.0.1190.2 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2017 for x64-based Systems (CU 31) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2017 for x64-based Systems (CU 31), Content:, 1 link 5102337  Title: Download Security Update for Microsoft SQL Server 2017 for x64-based Systems (CU 31), Content:, 1 link Security Update  Title: Build numbers, Content: 14.0.3540.1 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack, Content:, 1 link 5102339  Title: Download Security Update for Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack, Content:, 1 link Security Update  Title: Build numbers, Content: 13.0.7095.1 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR), Content:, 1 link 5102340  Title: Download Security Update for Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR), Content:, 1 link Security Update  Title: Build numbers, Content: 13.0.6500.1 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2019 for x64-based Systems (GDR) - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft SQL Server 2019 for x64-based Systems (GDR), Content:, 1 link 5102336  Title: Download Security Update for Microsoft SQL Server 2019 for x64-based Systems (GDR), Content:, 1 link Security Update  Title: Build numbers, Content: 15.0.2180.2 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft SQL Server 2017 for x64-based Systems (GDR) - Elevation of P

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