CVE-2025-49717: Microsoft SQL Server 2019

High severity, CVSS 8.5. EPSS: 1.1% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft SQL Server 2019: from 15.0.2000.5, before 15.0.2135.5 (fixed in 15.0.2135.5); from 15.0.4003.23, before 15.0.4435.7 (fixed in 15.0.4435.7)
• Microsoft SQL Server 2022: from 16.0.1000.6, before 16.0.1140.6 (fixed in 16.0.1140.6); from 16.0.4003.1, before 16.0.4200.1 (fixed in 16.0.4200.1)

Published 2025-07-08. Last modified 2026-06-17.