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    CVE-2026-9805

    SMM IHISI command handler, FMTSWriteUseIntelLib, for FMTS command 0x32, read and write data without checking buffer size and could cause buffer overflow.

    Published:Aug 26, 2026
    Last Modified:Aug 28, 2026
    EPS:Aug 26, 2026
    EPSS Score:0.00117
    CVSS Score:2.7

    Affected Products

    Vendor
    Insyde
    Product
    Insydeh2o

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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