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    CVE-2026-66803

    Improper access control in Azure Cosmos DB allows an unauthorized attacker to execute code over a network.

    Published:Jul 30, 2026
    Last Modified:Jul 31, 2026
    EPS:Jul 30, 2026
    EPSS Score:
    CVSS Score:10

    Affected Products

    Vendor
    Microsoft
    Product
    Cosmos Db

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    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