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    CVE-2026-66323

    Improper neutralization of parameter/argument delimiters in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

    Published:Aug 28, 2026
    Last Modified:Aug 30, 2026
    EPS:Aug 28, 2026
    EPSS Score:0.00299
    CVSS Score:5.4

    Affected Products

    Vendor
    Microsoft
    Product
    Edge Chromium

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-70331 (CVSS 5.4) — Improper neutralization of input used for llm prompting in Microsoft Edge for iOS allows an unauthorized attac…
    CVE-2026-72970 (CVSS 8.3) — Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code …
    CVE-2026-70339 (CVSS 5.4) — Access of resource using incompatible type ('type confusion') in Microsoft Edge (Chromium-based) allows an una…
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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