CVE-2026-78442

No fix known EPSS <1%CVSS 8.8

Heap-based buffer overflow in Windows OLE DB allows an unauthorized attacker to execute code over a network.

Published 2026-09-08 · CVE record · OSV

Products: Microsoft SQL Server 2017 (CU 31), Microsoft SQL Server 2017 (GDR), Microsoft SQL Server 2019 (CU 32), Microsoft SQL Server 2019 (GDR)