CVE-2026-77480 - Vulnerability Details - OpenCVE

Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Microsoft	Sql Server 2017 Sql Server 2019 Sql Server 2022 Sql Server 2025

No data.

No data.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77480

History

Wed, 09 Sep 2026 11:30:00 +0000

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

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

Type	Values Removed	Values Added
Description		Insufficient granularity of access control in SQL Server allows an authorized attacker to elevate privileges over a network.
Title		SQL Server Elevation of Privilege Vulnerability
First Time appeared		Microsoft Microsoft sql Server 2017 Microsoft sql Server 2019 Microsoft sql Server 2022 Microsoft sql Server 2025
Weaknesses		CWE-1220
CPEs		cpe:2.3:a:microsoft:sql_server_2017::-:::::x64: cpe:2.3:a:microsoft:sql_server_2019:::::::x64:* cpe:2.3:a:microsoft:sql_server_2022:::::::x64:* cpe:2.3:a:microsoft:sql_server_2025:::::::x64:*
Vendors & Products		Microsoft Microsoft sql Server 2017 Microsoft sql Server 2019 Microsoft sql Server 2022 Microsoft sql Server 2025
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-77480
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-09-08T17:18:11.858Z

Updated: 2026-09-09T21:35:12.802Z

Reserved: 2026-08-20T20:11:33.672Z

Link: CVE-2026-77480

Vulnrichment

Updated: 2026-09-09T09:53:47.271Z

NVD

Status : Awaiting Analysis

Published: 2026-09-08T18:20:33.500

Modified: 2026-09-09T10:21:23.913

Link: CVE-2026-77480

Redhat

No data.

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