Back to vendor advisories
Microsoft Security Response CenterCVE-2026-63509

Microsoft Fabric Elevation of Privilege Vulnerability

CriticalVendor CVSS 9.9 / 10 1 CVE Published Aug 20, 2026 at 7:00 AM UTC

Summary

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

Products covered

  • Microsoft Fabric

Remediation

Separate remediation guidance was not included in the collected bulletin.

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.