๐Ÿ” CVE Alert

CVE-2026-63509

CRITICAL 9.9

Microsoft Fabric Elevation of Privilege Vulnerability

CVSS Score
9.9
EPSS Score
0.0%
EPSS Percentile
0th

Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.

Vendor microsoft
Product microsoft fabric
Ecosystems
Industries
TechnologyEnterprise
Published Aug 20, 2026
Last Updated Aug 20, 2026
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CVSS v3 Breakdown

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
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

Microsoft / Microsoft Fabric
-

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
msrc.microsoft.com: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63509