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    CVE-2026-63509

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

    Published:Aug 20, 2026
    Last Modified:Sep 4, 2026
    EPS:Aug 20, 2026
    EPSS Score:0.00621
    CVSS Score:9.9

    Affected Products

    Vendor
    Microsoft
    Product
    Fabric
    Vendor
    Microsoft
    Product
    Microsoft Fabric

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-23 Relative Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-139 Relative Path Traversal
    CAPEC-76 Manipulating Web Input to File System Calls

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High