HIGH 7.2 Microsoft

CVE-2026-20803

Microsoft SQL Server Elevation of Privilege Vulnerability

Microsoft Security Update 2026-Jan: Microsoft SQL Server Elevation of Privilege Vulnerability

Affected Products

Microsoft SQL Server 2022 for x64-based Systems (GDR)
Microsoft SQL Server 2025 for x64-based Systems (GDR)
Microsoft SQL Server 2022 for x64-based Systems (CU 22)

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20803
https://nvd.nist.gov/vuln/detail/CVE-2026-20803

Published: 2026-01-13 · Source: Microsoft · Feed updated: 2026-08-04

This high severity vulnerability with a CVSS score of 7.2 was published on 2026-01-13 via Microsoft. Affected: Microsoft SQL Server 2022 for x64-based Systems (GDR), Microsoft SQL Server 2025 for x64-based Systems (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU 22).

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