Buffer overflow in Microsoft SQL Server 2017 (Cu 31)

CVE-2026-68785

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

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-68785?
CVE-2026-68785 is a medium-severity vulnerability in Microsoft SQL Server 2017 (Cu 31), classified under Heap-based Buffer Overflow. CVSS score: 4.9/10. Published 2026-09-08.
How severe is CVE-2026-68785?
Medium severity. CVSS v3 base score is 4.9 out of 10.