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    CVE-2023-35311

    Microsoft Outlook Security Feature Bypass Vulnerability

    Published:Jul 11, 2023
    Last Modified:Oct 28, 2025
    EPS:Jul 11, 2023
    EPSS Score:0.01272
    CVSS Score:8.8

    CISA Notification

    Description

    Microsoft Outlook Security Feature Bypass Vulnerability

    Required Action:

    Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Aug 1, 2023
    1137 days ago
    Alert Date
    Jul 11, 2023
    1158 days ago

    Affected Products

    Vendor
    Microsoft
    Product
    365 Apps
    Vendor
    Microsoft
    Product
    Office
    Vendor
    Microsoft
    Product
    Office Long Term Servicing Channel
    Vendor
    Microsoft
    Product
    Outlook

    Exploits

    No exploit reference

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    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