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    CVE-2026-55145

    Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perform tampering over a network.

    Published:Jul 14, 2026
    Last Modified:Jul 14, 2026
    EPS:Jul 14, 2026
    EPSS Score:
    CVSS Score:6.3

    Affected Products

    Vendor
    Microsoft
    Product
    Copilot

    Exploits

    No exploit reference

    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