ASP.NET Core Denial of Service Vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Microsoft | .NET 11.0 installed on Linux | affected |
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| Microsoft | .NET 11.0 installed on Mac OS | affected |
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| Microsoft | .NET 11.0 installed on Windows | affected |
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| Microsoft | Microsoft Visual Studio 2026 version 18.12 | affected |
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| Microsoft | Microsoft.Extensions.Validation | affected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Microsoft | .net 11.0 Installed On Linux |
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| Microsoft | .net 11.0 Installed On Mac Os |
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| Microsoft | .net 11.0 Installed On Windows |
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| Microsoft | Microsoft.extensions.validation |
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| Microsoft | Microsoft Visual Studio 2026 Version 18.12 |
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-m28h-pj36-4364 | Microsoft Security Advisory CVE-2026-118749 - ASP.NET Core Denial of Service Vulnerability |
Ubuntu USN |
USN-9042-1 | .NET vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: 1.1% (1.076% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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| Type | Values Removed | Values Added |
|---|---|---|
| References |
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| Metrics |
threat_severity
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threat_severity
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network. | |
| Title | ASP.NET Core Denial of Service Vulnerability | |
| First Time appeared |
Microsoft
Microsoft .net 11.0 Installed On Linux Microsoft .net 11.0 Installed On Mac Os Microsoft .net 11.0 Installed On Windows Microsoft microsoft.extensions.validation Microsoft microsoft Visual Studio 2026 Version 18.12 |
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| Weaknesses | CWE-407 | |
| CPEs | cpe:2.3:a:microsoft:.net_11.0_installed_on_linux:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_11.0_installed_on_mac_os:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:.net_11.0_installed_on_windows:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:microsoft.extensions.validation:*:*:*:*:*:*:*:* cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.12:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Microsoft
Microsoft .net 11.0 Installed On Linux Microsoft .net 11.0 Installed On Mac Os Microsoft .net 11.0 Installed On Windows Microsoft microsoft.extensions.validation Microsoft microsoft Visual Studio 2026 Version 18.12 |
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| References |
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| Metrics |
cvssV3_1
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