Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
Advisories

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Fixes

Solution

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Workaround

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History

Fri, 16 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 16 Jan 2026 14:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:sql_server_2025:17.0.1000.7:*:*:*:*:*:x64:*

Tue, 13 Jan 2026 18:15:00 +0000

Type Values Removed Values Added
Description Missing authentication for critical function 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 2022
Microsoft sql Server 2025
Weaknesses CWE-306
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
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-01-16T21:27:22.188Z

Reserved: 2025-12-03T05:54:20.370Z

Link: CVE-2026-20803

cve-icon Vulnrichment

Updated: 2026-01-13T19:41:13.468Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-13T18:16:06.630

Modified: 2026-01-16T14:35:02.720

Link: CVE-2026-20803

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses