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CVE-2026-20803
HIGH7.2
Description
Missing authentication for critical function in SQL Server allows an authorized attacker to elevate privileges over a network.
CVE Details
CVSS v3.1 Score7.2
SeverityHIGH
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack VectorNETWORK
ComplexityLOW
Privileges RequiredHIGH
User InteractionNONE
Published1/13/2026
Last Modified1/16/2026
Sourcenvd
Honeypot Sightings0
Affected Products
microsoft:sql_server_2022microsoft:sql_server_2025
Weaknesses (CWE)
CWE-306
References
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20803(secure@microsoft.com)
IOC Correlations
No correlations recorded
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