Information Disclosure in Microsoft SQL Server Network Services
CVE-2026-68780

6.5MEDIUM

Key Information:

Vendor

Microsoft
Status
Microsoft Sql Server 2017 (cu 31)
Microsoft Sql Server 2017 (gdr)
Microsoft Sql Server 2019 (cu 32)
Microsoft Sql Server 2019 (gdr)
Vendor
CVE Published:
8 September 2026

What is CVE-2026-68780?

An information disclosure vulnerability exists in Microsoft SQL Server due to an out-of-bounds read error. This flaw allows an authorized attacker to exploit network services and potentially disclose sensitive information. Organizations utilizing affected SQL Server versions should take immediate steps to assess their exposure and implement recommended security patches to mitigate risks.

Affected Version(s)

Microsoft SQL Server 2017 (CU 31) x64-based Systems 14.0.0 < 14.0.3550.4

Microsoft SQL Server 2017 (GDR) x64-based Systems 14.0.0 < 14.0.2130.4

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

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

.