CVE-2026-66309

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

CVSS 3.1

9.1CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-25)

CWE

CWE-284

Published

2026-08-20

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• microsoft:azure_sql_database

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66309

Check your stackJSON