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    CVE-2026-100208

    Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.

    Published:Sep 25, 2026
    Last Modified:Oct 28, 2026
    EPS:Sep 25, 2026
    EPSS Score:0.00451
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    365 Apps
    Vendor
    Microsoft
    Product
    Office 2021
    Vendor
    Microsoft
    Product
    Office 2024

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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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