CVE-2026-20803

Microsoft SQL Server Elevation of Privilege Vulnerability

En bref

Sévérité
HIGH 7.2
EPSS
EPSS 1.25 % · centile 69 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
microsoft
Statut NVD
Analyzed

Description

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

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HNVD · secure@microsoft.com (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Microsoft · Microsoft SQL Server 2022 (GDR)affected 16.0.0 < 16.0.1165.1
Microsoft · Microsoft SQL Server 2022 for x64-based Systems (CU 22)affected 16.0.0.0 < 16.0.4230.2
Microsoft · Microsoft SQL Server 2025 for x64-based Systems (GDR)affected 17.0.1050.2 < 17.0.1050.2

Références

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD