CVE-2026-66816 - Vulnerability Details - OpenCVE

Insufficient logging in SQL Server allows an authorized attacker to bypass a security feature over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Microsoft Subscribe	Sql Server 2022 Subscribe Sql Server 2025 Subscribe

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66816

History

Tue, 08 Sep 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Tue, 08 Sep 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Insufficient logging in SQL Server allows an authorized attacker to bypass a security feature over a network.
Title		Microsoft SQL Server Security Feature Bypass Vulnerability
First Time appeared		Microsoft Microsoft sql Server 2022 Microsoft sql Server 2025
Weaknesses		CWE-778
CPEs		cpe:2.3:a:microsoft:sql_server_2022:::::::x64:* cpe:2.3:a:microsoft:sql_server_2025:::::::x64:*
Vendors & Products		Microsoft Microsoft sql Server 2022 Microsoft sql Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66816
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-09-08T17:14:27.698Z

Updated: 2026-09-08T18:35:17.186Z

Reserved: 2026-07-27T19:02:26.601Z

Link: CVE-2026-66816

Vulnrichment

Updated: 2026-09-08T18:24:18.665Z

NVD

Status : Awaiting Analysis

Published: 2026-09-08T18:18:20.010

Modified: 2026-09-08T19:18:08.633

Link: CVE-2026-66816

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-09-08T19:30:07Z

Weaknesses

CWE-778

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