Remote Code Execution Vulnerability in Microsoft SQL Server
CVE-2026-47297

8.1HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2019 (cu 32)
Microsoft Sql Server 2019 (gdr)
Microsoft Sql Server 2022 (cu 26)
Microsoft Sql Server 2022 (gdr)
Vendor
CVE Published:
8 September 2026

What is CVE-2026-47297?

A vulnerability exists in Microsoft SQL Server that allows an unauthorized attacker to manipulate the deserialization process of untrusted data, potentially leading to remote code execution. This flaw can be exploited over a network, granting malicious users the capability to execute arbitrary code on affected systems, posing significant security risks and disrupting operations.

Affected Version(s)

Microsoft SQL Server 2019 (CU 32) x64-based Systems 15.0.0.0 < 15.0.4490.9

Microsoft SQL Server 2019 (GDR) x64-based Systems 15.0.0 < 15.0.2190.7

Microsoft SQL Server 2022 (CU 26) x64-based Systems 16.0.0.0 < 16.0.4275.2

References

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

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.