CVE-2026-21262
SQL Server Elevation of Privilege Vulnerability
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
Improper access control in SQL Server allows an authorized attacker to elevate privileges over a network.
| Vendor | microsoft |
| Product | microsoft sql server 2016 service pack 3 (gdr) |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Mar 10, 2026 |
| Last Updated | Apr 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / Microsoft SQL Server 2016 Service Pack 3 (GDR)
13.0.0 < 13.0.6480.4
Microsoft / Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack
13.0.0 < 13.0.7075.5
Microsoft / Microsoft SQL Server 2017 (CU 31)
14.0.0 < 14.0.3520.4
Microsoft / Microsoft SQL Server 2017 (GDR)
14.0.0 < 14.0.2100.4
Microsoft / Microsoft SQL Server 2019 (CU 32)
15.0.0.0 < 15.0.4460.4
Microsoft / Microsoft SQL Server 2019 (GDR)
15.0.0 < 15.0.2160.4
Microsoft / Microsoft SQL Server 2022 (GDR)
16.0.0 < 16.0.1170.5
Microsoft / Microsoft SQL Server 2022 for x64-based Systems (CU 23)
16.0.0.0 < 16.0.4240.4
Microsoft / Microsoft SQL Server 2025 (CU 2)
17.0.0.0 < 17.0.4020.2
Microsoft / Microsoft SQL Server 2025 for x64-based Systems (GDR)
17.0.1050.2 < 17.0.1105.2