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

Tue, 08 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft microsoft Sql Server 2017 (cu 31)
Microsoft microsoft Sql Server 2017 (gdr)
Microsoft microsoft Sql Server 2019 (cu 32)
Microsoft microsoft Sql Server 2019 (gdr)
Microsoft microsoft Sql Server 2022 (cu 26)
Microsoft microsoft Sql Server 2022 (gdr)
Microsoft microsoft Sql Server 2025 (cu8)
Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)
Vendors & Products Microsoft microsoft Sql Server 2017 (cu 31)
Microsoft microsoft Sql Server 2017 (gdr)
Microsoft microsoft Sql Server 2019 (cu 32)
Microsoft microsoft Sql Server 2019 (gdr)
Microsoft microsoft Sql Server 2022 (cu 26)
Microsoft microsoft Sql Server 2022 (gdr)
Microsoft microsoft Sql Server 2025 (cu8)
Microsoft microsoft Sql Server 2025 For X64-based Systems (gdr)

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 Microsoft 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
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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-09-08T17:14:27.197Z

Updated: 2026-09-09T21:31:27.671Z

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

Link: CVE-2026-66814

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-08T18:18:19.880

Modified: 2026-09-09T10:17:13.237

Link: CVE-2026-66814

cve-icon Redhat

No data.