CVE-2026-45591 - Vulnerability Details - OpenCVE

Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Microsoft	.net Asp.net Core Visual Studio 2026

No data.

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References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591

History

Tue, 09 Jun 2026 17:15:00 +0000

Type	Values Removed	Values Added
Description		Uncontrolled resource consumption 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 Microsoft asp.net Core Microsoft visual Studio 2026
Weaknesses		CWE-400
CPEs		cpe:2.3:a:microsoft:.net:::::::: cpe:2.3:a:microsoft:asp.net_core:::::::: cpe:2.3:a:microsoft:visual_studio_2026::::::::
Vendors & Products		Microsoft Microsoft .net Microsoft asp.net Core Microsoft visual Studio 2026
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45591
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'}`

MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-06-09T17:05:29.575Z

Updated: 2026-06-09T17:49:08.069Z

Reserved: 2026-05-12T19:55:45.730Z

Link: CVE-2026-45591

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-06-09T17:17:26.933

Modified: 2026-06-09T19:32:51.440

Link: CVE-2026-45591

Redhat

No data.

OpenCVE Enrichment

No data.

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