# CVE-2026-77483

## Summary

- **CVE ID:** CVE-2026-77483
- **Severity:** HIGH
- **CVSS Score:** 8.8 (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)
- **CWE:** CWE-1390
- **Published:** Sep 8, 2026
- **Last Modified:** Sep 9, 2026

## Description

Weak authentication in SQL Server allows an authorized attacker to elevate privileges over a network.

## Affected Products

- Microsoft — Microsoft SQL Server 2017 (CU 31) (14.0.0)
- Microsoft — Microsoft SQL Server 2017 (GDR) (14.0.0)
- Microsoft — Microsoft SQL Server 2019 (CU 32) (15.0.0.0)
- Microsoft — Microsoft SQL Server 2019 (GDR) (15.0.0)
- Microsoft — Microsoft SQL Server 2022 (CU 26) (16.0.0.0)
- Microsoft — Microsoft SQL Server 2022 (GDR) (16.0.0)
- Microsoft — Microsoft SQL Server 2025 (CU8) (17.0.0.0)
- Microsoft — Microsoft SQL Server 2025 for x64-based Systems (GDR) (17.0.1050.2)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77483)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-09._