CVE-2026-118749
ASP.NET Core Denial of Service Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.
| Vendor | microsoft |
| Product | .net 11.0 installed on linux |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Nov 10, 2026 |
| Last Updated | Nov 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Microsoft / .NET 11.0 installed on Linux
11.0.0-preview.1 < 11.0.0
Microsoft / .NET 11.0 installed on Mac OS
11.0.0-preview.1 < 11.0.0
Microsoft / .NET 11.0 installed on Windows
11.0.0-preview.1 < 11.0.0
Microsoft / Microsoft Visual Studio 2026 version 18.12
18.12.0 < 18.12.0
Microsoft / Microsoft.Extensions.Validation
11.0.0-rc.1.26425.128 < 11.0.0