SummaryUse after free in SQL Server allows an authorized attacker to elevate privileges locally.RemediationInventory every Microsoft Sql Server 2019 deployment, including staging.Upgrade Microsoft Sql Server 2019 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-2026-85876