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    CVE-2026-21107

    Out-of-bounds write in Samsung Notes prior to version 4.4.45.5 allows local attackers to write out-of-bounds memory.

    Published:Sep 9, 2026
    Last Modified:Sep 10, 2026
    EPS:Sep 9, 2026
    EPSS Score:0.00099
    CVSS Score:6.9

    Affected Products

    Vendor
    Samsung Mobile
    Product
    Samsung Notes

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-787 Out-of-bounds Write

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2025-20932 (CVSS 5.5) — Out-of-bounds read in parsing rle of bmp image in Samsung Notes prior to version 4.4.26.71 allows local attack…
    CVE-2025-20931 (CVSS 7.3) — Out-of-bounds write in parsing bmp image in Samsung Notes prior to version 4.4.26.71 allows local attackers to…
    CVE-2025-20929 (CVSS 7.3) — Out-of-bounds write in parsing jpeg image in Samsung Notes prior to version 4.4.26.71 allows local attackers t…
    CVE-2025-20928 (CVSS 5.5) — Out-of-bounds read in parsing wbmp image in Samsung Notes prior to vaersion 4.4.26.71 allows local attackers t…
    CVE-2025-20921 (CVSS 5.5) — Out-of-bounds read in applying binary of text content in Samsung Notes prior to version 4.4.26.71 allows attac…
    CVE-2025-20917 (CVSS 5.5) — Out-of-bounds read in applying binary of pdf content in Samsung Notes prior to version 4.4.26.71 allows attack…
    CVE-2025-20915 (CVSS 5.5) — Out-of-bounds read in applying binary of voice content in Samsung Notes prior to version 4.4.26.71 allows atta…
    CVE-2025-20914 (CVSS 5.5) — Out-of-bounds read in applying binary of hand writing content in Samsung Notes prior to version 4.4.26.71 allo…

    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