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    CVE-2026-84520

    A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected system termination or corrupt kernel memory.

    Published:Sep 14, 2026
    Last Modified:Sep 20, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00325
    CVSS Score:9.8

    Affected Products

    Vendor
    Apple
    Product
    Macos

    Exploits

    https://github.com/csrXamfi/CVE-2026-84520

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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