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    CVE-2026-86929

    An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted file may lead to arbitrary code execution.

    Published:Oct 26, 2026
    Last Modified:Oct 28, 2026
    EPS:Oct 26, 2026
    EPSS Score:0.00653
    CVSS Score:8.8

    Affected Products

    Vendor
    Apple
    Product
    Macos

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

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    CVE-2026-65327 (CVSS 8.4) — A logic issue was addressed with improved checks. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia…
    CVE-2026-112529 (CVSS 7.5) — An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27…
    CVE-2026-86972 (CVSS 7.8) — A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 26.7.2 and iPadOS 26…
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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