Integer overflow in Microsoft SQL Server 2017 (Cu 31)

CVE-2026-67376

Integer overflow or wraparound in SQL Server allows an unauthorized attacker to deny service over a network.

Vulnerability class: Integer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-67376?
CVE-2026-67376 is a high-severity vulnerability in Microsoft SQL Server 2017 (Cu 31), classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-67376?
High severity. CVSS v3 base score is 7.5 out of 10.