CVE-2025-49719: Microsoft SQL Server Information Disclosure Vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 15.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-08 · updated 2026-06-17
Weakness: CWE-20

Description

Improper input validation in SQL Server allows an unauthorized attacker to disclose information over a network.

Affected products

Microsoft Sql Server 2016: from 13.0.6300.2 before 13.0.6460.7; from 13.0.7000.253 before 13.0.7055.9 — fixed in 13.0.6460.7, 13.0.7055.9
Microsoft Sql Server 2017: from 14.0.1000.169 before 14.0.2075.8; from 14.0.3006.16 before 14.0.3495.9 — fixed in 14.0.2075.8, 14.0.3495.9
Microsoft Sql Server 2019: from 15.0.2000.5 before 15.0.2135.5; from 15.0.4003.23 before 15.0.4435.7 — fixed in 15.0.2135.5, 15.0.4435.7
Microsoft Sql Server 2022: from 16.0.1000.6 before 16.0.1140.6; from 16.0.4003.1 before 16.0.4200.1 — fixed in 16.0.1140.6, 16.0.4200.1
Microsoft SQL Server 2016 for Service Pack 2 (GDR): from 13.0.0 before 13.0.6460.7 — fixed in 13.0.6460.7
Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack: from 13.0.0 before 13.0.7055.9 — fixed in 13.0.7055.9
Microsoft SQL Server 2017 (CU 31): from 14.0.0 before 14.0.3495.9 — fixed in 14.0.3495.9
Microsoft SQL Server 2017 (GDR): from 14.0.0 before 14.0.2075.8 — fixed in 14.0.2075.8
Microsoft SQL Server 2019 (CU 32): from 15.0.0.0 before 15.0.4435.7 — fixed in 15.0.4435.7
Microsoft SQL Server 2019 (GDR): from 15.0.0 before 15.0.2135.5 — fixed in 15.0.2135.5
Microsoft SQL Server 2022 (CU 19): from 16.0.0.0 before 16.0.4200.1 — fixed in 16.0.4200.1
Microsoft SQL Server 2022 (GDR): from 16.0.0 before 16.0.1140.6 — fixed in 16.0.1140.6

How to fix

Upgrade to a fixed version: Microsoft Sql Server 2016 13.0.6460.7, 13.0.7055.9; Microsoft Sql Server 2017 14.0.2075.8, 14.0.3495.9; Microsoft Sql Server 2019 15.0.2135.5, 15.0.4435.7; Microsoft Sql Server 2022 16.0.1140.6, 16.0.4200.1; Microsoft SQL Server 2016 for Service Pack 2 (GDR) 13.0.6460.7; Microsoft SQL Server 2016 Service Pack 3 Azure Connect Feature Pack 13.0.7055.9; Microsoft SQL Server 2017 (CU 31) 14.0.3495.9; Microsoft SQL Server 2017 (GDR) 14.0.2075.8; Microsoft SQL Server 2019 (CU 32) 15.0.4435.7; Microsoft SQL Server 2019 (GDR) 15.0.2135.5; Microsoft SQL Server 2022 (CU 19) 16.0.4200.1; Microsoft SQL Server 2022 (GDR) 16.0.1140.6. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49719

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