CVE-2026-69843 CRITICAL

CVE-2026-69843: Microsoft Fabric Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Fabric
Weakness CWE-290
Published September 17, 2026
Last update September 19, 2026
View on NVD All CVEs

CVSS base score

10.0/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

September 17, 2026 CVE published
September 19, 2026 Record updated

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