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    CVE-2026-109478

    Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.

    Published:Nov 10, 2026
    Last Modified:Nov 10, 2026
    EPS:Nov 10, 2026
    EPSS Score:
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    .net 8.0 Installed On Linux
    Vendor
    Microsoft
    Product
    .net 8.0 Installed On Mac Os
    Vendor
    Microsoft
    Product
    .net 8.0 Installed On Windows
    Vendor
    Microsoft
    Product
    .net 9.0 Installed On Linux
    Vendor
    Microsoft
    Product
    .net 9.0 Installed On Mac Os
    Vendor
    Microsoft
    Product
    .net 9.0 Installed On Windows
    Vendor
    Microsoft
    Product
    Microsoft Visual Studio 2026 Version 18.11
    Vendor
    Microsoft
    Product
    Microsoft Visual Studio 2026 Version 18.12
    Vendor
    Microsoft
    Product
    Visual Studio 2022

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-109475 (CVSS 7.5) — Stack-based buffer overflow in .NET allows an unauthorized attacker to deny service over a network.…
    CVE-2026-114149 (CVSS 7.5) — Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a netwo…
    CVE-2026-109476 (CVSS 6.1) — Improper encoding or escaping of output in ASP.NET Core allows an unauthorized attacker to disclose informatio…
    CVE-2026-114147 (CVSS 7.5) — Missing release of memory after effective lifetime in ASP.NET Core allows an unauthorized attacker to deny ser…
    CVE-2026-114146 (CVSS 9) — Incorrect authorization in ASP.NET Core allows an authorized attacker to elevate privileges over a network.…
    CVE-2026-114148 (CVSS 7.8) — Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.…
    CVE-2026-70197 (CVSS 8.1) — Out-of-bounds write in .NET allows an unauthorized attacker to execute code over a network.…
    CVE-2026-70175 (CVSS 8.1) — Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.…

    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