CVE-2025-49718: Microsoft SQL Server 2019

High severity, CVSS 7.5. EPSS: 3.9% chance of exploitation in the next 30 days.

Use of uninitialized resource in SQL Server allows an unauthorized attacker to disclose information 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.