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    CVE-2026-121113

    Buffer overflow in PDFium in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted PDF file. (Chromium security severity: High)

    Published:Nov 3, 2026
    Last Modified:Nov 5, 2026
    EPS:Nov 3, 2026
    EPSS Score:0.00329
    CVSS Score:8.8

    Affected Products

    Vendor
    Google
    Product
    Chrome

    Exploits

    https://issues.chromium.org/issues/567106301

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    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