CVE-2026-69843: Microsoft Fabric

Critical severity, CVSS 10.0. EPSS: 0.9% chance of exploitation in the next 30 days.

Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized attacker to elevate privileges over a network.

Affected products

• Microsoft Fabric: affected versions not specified

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