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    CVE-2026-20446

    In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

    Published:Apr 7, 2026
    Last Modified:Apr 8, 2026
    EPS:Apr 7, 2026
    EPSS Score:0.0002
    CVSS Score:4.3

    Affected Products

    Vendor
    Mediatek
    Product
    Mediatek Chipset
    Vendor
    Mediatek
    Product
    Mt6813
    Vendor
    Mediatek
    Product
    Mt6813 Firmware

    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