CVE-2026-45591

Severity CVSS v4.0:

Pending analysis

Type:

CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')

Publication date:

09/06/2026

Last modified:

23/07/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:microsoft:asp.net_core::::::::	8.0.0 (including)	8.0.28 (excluding)
cpe:2.3:a:microsoft:asp.net_core::::::::	9.0.0 (including)	9.0.17 (excluding)
cpe:2.3:a:microsoft:asp.net_core::::::::	10.0.0 (including)	10.0.9 (excluding)
cpe:2.3:a:microsoft:visual_studio_2026::::::::	18.6.0 (including)	18.6.3 (excluding)
cpe:2.3:a:microsoft:.net::::::::	8.0.0 (including)	8.0.28 (excluding)
cpe:2.3:a:microsoft:.net::::::::	9.0.0 (including)	9.0.17 (excluding)
cpe:2.3:a:microsoft:.net::::::::	10.0.0 (including)	10.0.9 (excluding)
cpe:2.3:o:apple:macos:-:::::::*
cpe:2.3:o:linux:linux_kernel:-:::::::*
cpe:2.3:o:microsoft:windows:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2026-45591

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools