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    CVE-2026-28859

    The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.

    Published:Mar 25, 2026
    Last Modified:Apr 2, 2026
    EPS:Mar 25, 2026
    EPSS Score:0.00039
    CVSS Score:4.3

    Affected Products

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

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-65367 (CVSS 5.5) — A null pointer dereference was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and…
    CVE-2026-43657 (CVSS 3.3) — A permissions issue was addressed with additional restrictions. This issue is fixed in iOS 26.5 and iPadOS 26.…
    CVE-2026-43670 (CVSS 8.8) — A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue …
    CVE-2026-65331 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 …
    CVE-2026-64760 (CVSS 5.5) — An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS…
    CVE-2026-43794 (CVSS 8.8) — A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65346 (CVSS 8.8) — An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS…
    CVE-2026-65351 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 a…
    CVE-2026-64782 (CVSS 3.1) — A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65347 (CVSS 6.5) — The issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe…

    References

    https://support.apple.com/en-us/126792
    https://support.apple.com/en-us/126794
    https://support.apple.com/en-us/126797
    https://support.apple.com/en-us/126798
    https://support.apple.com/en-us/126799
    https://support.apple.com/en-us/126800
    https://access.redhat.com/errata/RHSA-2026:10702
    https://access.redhat.com/errata/RHSA-2026:11329
    https://access.redhat.com/errata/RHSA-2026:11814
    https://access.redhat.com/errata/RHSA-2026:13845
    https://access.redhat.com/errata/RHSA-2026:14659
    https://access.redhat.com/errata/RHSA-2026:16056
    https://access.redhat.com/errata/RHSA-2026:16695
    https://access.redhat.com/errata/RHSA-2026:19206
    https://access.redhat.com/errata/RHSA-2026:19535
    https://access.redhat.com/errata/RHSA-2026:22136
    https://access.redhat.com/errata/RHSA-2026:9692
    https://access.redhat.com/security/cve/CVE-2026-28859
    https://bugzilla.redhat.com/show_bug.cgi?id=2453006
    https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-28859.json

    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