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    CVE-2025-43529

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

    Published:Dec 16, 2025
    Last Modified:Apr 22, 2026
    EPS:Dec 17, 2025
    EPSS Score:0.00143
    CVSS Score:8.8

    CISA Notification

    Description

    A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

    Required Action:

    Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

    Notes:

    No extra notes provided.

    Due Date
    Jan 5, 2026
    249 days ago
    Alert Date
    Dec 15, 2025
    270 days ago

    Affected Products

    Vendor
    Apple
    Product
    Ios
    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Apple
    Product
    Macos
    Vendor
    Apple
    Product
    Macos Tahoe
    Vendor
    Apple
    Product
    Safari
    Vendor
    Apple
    Product
    Tvos
    Vendor
    Apple
    Product
    Visionos
    Vendor
    Apple
    Product
    Watchos

    Exploits

    https://github.com/0xjohnnydev/WebKit-UAF-ANGLE-OOB-Analysishttps://github.com/bjrjk/CVE-2025-43529https://github.com/GenericCoding/pois0nSwordhttps://github.com/jir4vv1t/CVE-2025-43529https://github.com/kmeps4/bugtesthttps://github.com/sakyu7/sakyu7.github.iohttps://github.com/SgtBattenHA/Analysishttps://github.com/SimoesCTT/Convergent-Time-Theory-Enhanced-iOS-Safari-RCE-CVE-2025-43529-https://github.com/SimoesCTT/CTT-Apple-Silicon-Refractionhttps://github.com/zeroxjf/WebKit-UAF-ANGLE-OOB-Analysis

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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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