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    CVE-2025-43526

    This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac with Lockdown Mode enabled, web content opened via a file URL may be able to use Web APIs that should be restricted.

    Published:Dec 17, 2025
    Last Modified:Apr 27, 2026
    EPS:Dec 17, 2025
    EPSS Score:0.00074
    CVSS Score:9.8

    Affected Products

    Vendor
    Apple
    Product
    Macos
    Vendor
    Apple
    Product
    Macos Tahoe
    Vendor
    Apple
    Product
    Safari

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-178 Cross-Site Flashing

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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