CVE-2026-83945

No fix known EPSS <1%CVSS 6.6

Heap-based buffer overflow in SQL Server allows an authorized attacker to execute code over a network.

Published 2026-10-13 · CVE record · OSV

Products: Microsoft SQL Server 2022 (GDR), Microsoft SQL Server 2022 for x64-based Systems (CU27), Microsoft SQL Server 2025 (CU8), Microsoft SQL Server 2025 for x64-based Systems (CU9), Microsoft SQL Server 2025 for x64-based Systems (GDR)