Microsoft SQL Server 2017 (CU 31) vulnerability

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

Published 8 Sep 2026Updated 15 Sep 20261 sources
CVSS 8.8

What happened

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

Affected versions

Microsoft SQL Server 2017 (CU 31): 14.0.0 through before 14.0.3550.4 (custom); 14.0.0 through before 14.0.2130.4 (custom); 15.0.0.0 through before 15.0.4490.9 (custom); 15.0.0 through before 15.0.2190.7 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.