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CVE-2026-63509criticalCWE-23

Microsoft Fabric Elevation of Privilege Vulnerability

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.9epss 0.6%
exploitation probability
0.6%top 52% of all CVEs
observed exploitation
nono source reports it
Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C