CVE-2026-69843: Microsoft Fabric Elevation of Privilege Vulnerability
Published Sep 17, 2026
·Updated
Authentication bypass by spoofing in Microsoft Fabric allows an unauthorized attacker to elevate privileges over a network.
Other sources
Microsoft Fabric Elevation of Privilege Vulnerability
— Microsoft
Affected Software
1 affected component
Microsoft Fabric
Event History
Sep 17, 2026
CVE Published
via Microsoft·02:00 PM
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
Description
CVE Published
via MITRE·11:04 PM
Data Sourced
via MITRE·11:04 PM
DescriptionSeverity
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The issue is rated network-accessible with low attack complexity and requires no privileges or user interaction. It is described as an authentication-bypass flaw using spoofing.
2
What is the potential impact if exploitation succeeds?
An unauthorized attacker could elevate privileges. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability, with scope changed.