Description
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Published: 2026-11-10
Score: 7.5 High
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-m28h-pj36-4364 Microsoft Security Advisory CVE-2026-118749 - ASP.NET Core Denial of Service Vulnerability
History

Wed, 11 Nov 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Important


Tue, 10 Nov 2026 18:30:00 +0000

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
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:*:*:*:*:*:*:*:*
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
References
Metrics cvssV3_1

{'score': 7.5, 'vector': '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'}


Subscriptions

Microsoft .net 11.0 Installed On Linux .net 11.0 Installed On Mac Os .net 11.0 Installed On Windows Microsoft.extensions.validation Microsoft Visual Studio 2026 Version 18.12
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-11T11:48:44.656Z

Reserved: 2026-10-28T19:08:23.388Z

Link: CVE-2026-118749

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T19:19:51.787

Modified: 2026-11-10T20:18:26.107

Link: CVE-2026-118749

cve-icon Redhat

Severity : Important

Publid Date: 2026-11-10T17:00:00Z

Links: CVE-2026-118749 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-407

    Inefficient Algorithmic Complexity