CVE-2026-85878: Microsoft Azure Horizondb

Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Improper authorization in Azure Database for PostgreSQL allows an authorized attacker to elevate privileges over a network.

Affected products

• Microsoft Azure Horizondb: affected versions not specified

Published 2026-09-18. Last modified 2026-09-25.