SummaryInteger overflow or wraparound in SQL Server allows an authorized attacker to elevate privileges locally.RemediationInventory every Microsoft Microsoft SQL Server 2019 (GDR) deployment, including staging.Upgrade Microsoft Microsoft SQL Server 2019 (GDR) to the fixed version for your release line, listed under Affected versions.Confirm the running version after the upgrade.ReferencesPatchhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88088