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    CVE-2026-58281

    Deserialization of untrusted data in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

    Published:Jul 11, 2026
    Last Modified:Jul 13, 2026
    EPS:Jul 11, 2026
    EPSS Score:0.00704
    CVSS Score:8.3

    Affected Products

    Vendor
    Microsoft
    Product
    Edge Chromium

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

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    CVE-2026-58616 (CVSS 4.4) — Concurrent execution using shared resource with improper synchronization ('race condition') in Copilot Chat (M…
    CVE-2026-70331 (CVSS 5.4) — Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attac…
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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