.NET Denial of Service Vulnerability
CVE-2026-120796
Summary
Improper neutralization of special elements used in an sql command ('sql injection') in SQL Server allows an authorized attacker to elevate privileges locally.
Products covered
Microsoft SQL Server 2025 for x64-based Systems (CU3)
Microsoft SQL Server 2022 for x64-based Systems (CU 24)
Microsoft SQL Server 2017 for x64-based Systems (GDR)
Microsoft SQL Server 2019 for x64-based Systems (GDR)
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 (GDR)
Microsoft SQL Server 2016 for x64-based Systems Service Pack 3 Azure Connect Feature Pack
Microsoft SQL Server 2022 for x64-based Systems (GDR)
Microsoft SQL Server 2017 for x64-based Systems (CU 31)
Show 2 more products
Microsoft SQL Server 2025 for x64-based Systems (GDR)
Microsoft SQL Server 2019 for x64-based Systems (CU 32)
Remediation
Install KB5083245. Install KB5083252. Install KB5084819. Install KB5084817. Install KB5084821. Install KB5084820. Install KB5084815. Install KB5084818. Install KB5084814. Install KB5084816.
Vendor-listed fixes
17.0.4030.1
16.0.4250.1
14.0.2105.1
15.0.2165.1
13.0.6485.1
13.0.7080.1
16.0.1175.1
14.0.3525.1
Show 2 more fixes
17.0.1110.1
15.0.4465.1
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.