Information Disclosure in Microsoft SQL Server by Unauthorized Access
CVE-2026-118104

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2017 (gdr)
Microsoft Sql Server 2017 For X64-based Systems (cu31)
Microsoft Sql Server 2019 (gdr)
Microsoft Sql Server 2019 For X64-based Systems (cu32)
Vendor
CVE Published:
10 November 2026

What is CVE-2026-118104?

An information disclosure vulnerability exists in Microsoft SQL Server due to the use of uninitialized resources. This flaw can be exploited by an attacker with authorized access to disclose sensitive information over a network, potentially leading to unauthorized data exposure.

Affected Version(s)

Microsoft SQL Server 2017 (GDR) x64-based Systems 14.0.0 < 14.0.2150.2

Microsoft SQL Server 2017 for x64-based Systems (CU31) x64-based Systems 14.0.3006.16 < 14.0.3570.2

Microsoft SQL Server 2019 (GDR) x64-based Systems 15.0.0 < 15.0.2210.4

References

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

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.