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    CVE-2023-36558

    ASP.NET Core Security Feature Bypass Vulnerability

    Published:Nov 14, 2023
    Last Modified:Oct 9, 2025
    EPS:Nov 14, 2023
    EPSS Score:0.00316
    CVSS Score:6.2

    Affected Products

    Vendor
    Microsoft
    Product
    .net
    Vendor
    Microsoft
    Product
    Asp.net Core
    Vendor
    Microsoft
    Product
    Visual Studio 2022
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Dotnet

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-69522 (CVSS 8.8) — Heap-based buffer overflow in Visual Studio allows an unauthorized attacker to execute code over a network.…
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    CVE-2026-69806 (CVSS 7) — Exposure of sensitive information to an unauthorized actor in .NET allows an authorized attacker to elevate pr…
    CVE-2026-62898 (CVSS 7.5) — Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.…
    CVE-2026-70354 (CVSS 7.8) — Out-of-bounds write in .NET allows an unauthorized attacker to execute code locally.…
    CVE-2026-65810 (CVSS 7.8) — Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.…
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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