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    CVE-2026-20989

    Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.

    Published:Mar 16, 2026
    Last Modified:Mar 23, 2026
    EPS:Mar 16, 2026
    EPSS Score:0.0001
    CVSS Score:2.4

    Affected Products

    Vendor
    Samsung
    Product
    Android
    Vendor
    Samsung Mobile
    Product
    Samsung Mobile Devices

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-463 Padding Oracle Crypto Attack
    CAPEC-475 Signature Spoofing by Improper Validation

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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