Heap-Based Buffer Overflow in Microsoft SQL Server
CVE-2025-49717

8.5HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2019 (gdr)
Microsoft Sql Server 2022 (gdr)
Microsoft Sql Server 2019 (cu 32)
Microsoft Sql Server 2022 (cu 19)
Vendor
CVE Published:
8 July 2025

What is CVE-2025-49717?

A vulnerability exists in Microsoft SQL Server due to a heap-based buffer overflow that allows an authorized attacker to execute arbitrary code over a network. This issue can potentially lead to unauthorized actions or access to sensitive data. It is crucial for users to apply security updates and implement best practices to mitigate this risk.

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Affected Version(s)

Microsoft SQL Server 2019 (CU 32) x64-based Systems 15.0.0.0 < 15.0.4435.7

Microsoft SQL Server 2019 (GDR) x64-based Systems 15.0.0 < 15.0.2135.5

Microsoft SQL Server 2022 (CU 19) x64-based Systems 16.0.0.0 < 16.0.1140.6

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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