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

Analysis and contextual insights are available on OpenCVE Cloud.

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-r3qf-p3jm-8h4p Microsoft Security Advisory CVE-2026-109478 - 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


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

Type Values Removed Values Added
First Time appeared Microsoft .net 9.0 Installed On Linux
Microsoft .net 9.0 Installed On Mac Os
Microsoft .net 9.0 Installed On Windows
CPEs cpe:2.3:a:microsoft:.net_9.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_9.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_9.0_installed_on_windows:*:*:*:*:*:*:*:*
Vendors & Products Microsoft .net 9.0 Installed On Linux
Microsoft .net 9.0 Installed On Mac Os
Microsoft .net 9.0 Installed On Windows

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 8.0 Installed On Linux
Microsoft .net 8.0 Installed On Mac Os
Microsoft .net 8.0 Installed On Windows
Microsoft microsoft Visual Studio 2026 Version 18.11
Microsoft microsoft Visual Studio 2026 Version 18.12
Microsoft visual Studio 2022
Weaknesses CWE-407
CPEs cpe:2.3:a:microsoft:.net_8.0_installed_on_linux:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_8.0_installed_on_mac_os:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_8.0_installed_on_windows:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.11:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:microsoft_visual_studio_2026_version_18.12:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft .net 8.0 Installed On Linux
Microsoft .net 8.0 Installed On Mac Os
Microsoft .net 8.0 Installed On Windows
Microsoft microsoft Visual Studio 2026 Version 18.11
Microsoft microsoft Visual Studio 2026 Version 18.12
Microsoft visual Studio 2022
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 8.0 Installed On Linux .net 8.0 Installed On Mac Os .net 8.0 Installed On Windows .net 9.0 Installed On Linux .net 9.0 Installed On Mac Os .net 9.0 Installed On Windows Microsoft Visual Studio 2026 Version 18.11 Microsoft Visual Studio 2026 Version 18.12 Visual Studio 2022
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-11-10T23:46:50.125Z

Reserved: 2026-10-12T17:01:11.371Z

Link: CVE-2026-109478

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T19:18:17.113

Modified: 2026-11-11T00:17:06.280

Link: CVE-2026-109478

cve-icon Redhat

Severity : Important

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

Links: CVE-2026-109478 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-407

    Inefficient Algorithmic Complexity