by Kastro
Paper/Archive/CVE-2026-66309

CVE-2026-66309

Microsoft Azure SQL Database — Azure SQL Database Elevation of Privilege Vulnerability

EPSS 0.9%CVSS 9.1
critical.is priorityof 100
39
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 58.5.585 × 2011.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Improper access control in Azure SQL Database allows an authorized attacker to elevate privileges over a network.

Affected

ProductAffectedFixed inSource
Azure SQL Database-–CNA

Scores by source

microsoft (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchmsrc.microsoft.com/update-guide/vulnerability/CVE-2026-66309