VDB

CVE-2026-78442

CVE-2026-78442 PUBLISHED CVSS 8.8 HIGH

Reported by microsoft · Published September 8, 2026

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

Risk Scores

CVSS 3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected Products

VendorProductVersions
MicrosoftMicrosoft SQL Server 2017 (CU 31)14.0.0
MicrosoftMicrosoft SQL Server 2017 (GDR)14.0.0
MicrosoftMicrosoft SQL Server 2019 (CU 32)15.0.0.0
MicrosoftMicrosoft SQL Server 2019 (GDR)15.0.0
microsoftsql_server_201714.0.0, 14.0.0
microsoftsql_server_201915.0.0.0, 15.0.0
MicrosoftMicrosoft SQL Server 2019 (GDR)15.0.0
MicrosoftMicrosoft SQL Server 2017 (CU 31)14.0.0
MicrosoftMicrosoft SQL Server 2019 (CU 32)15.0.0.0
MicrosoftMicrosoft SQL Server 2017 (GDR)14.0.0

Timeline

  • Sep 8, 2026 Coalition ESS Score
  • Sep 8, 2026 CVE Published
  • Sep 9, 2026 Security Advisory
  • Sep 9, 2026 CVE Updated

References

Open in Interactive Console →
$ Console Community · 100/wk Open console ›