CVE-2026-45591

HighCVSS 7.5/10Last modified Nov 11, 2026

Description

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400CWE-770

Affected software

VendorProductVersions
Microsoft.NET 10.0>= 10.0.0, < 10.0.9
Microsoft.NET 8.0>= 8.0.0, < 8.0.28
Microsoft.NET 9.0>= 9.0.0, < 9.0.17
MicrosoftASP.NET Core 10.0>= 10.0, < 10.0.9
MicrosoftASP.NET Core 8.0>= 8.0, < 8.0.28
MicrosoftASP.NET Core 9.0>= 9.0, < 9.0.17
MicrosoftMicrosoft Visual Studio 2026 version 18.6>= 18.6.0, < 18.6.3
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10—
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support—
Red HatRed Hat Enterprise Linux 10.0 Extended Update Support—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 8—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9—
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP Solutions—
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support—
Red HatRed Hat Enterprise Linux 9.6 Extended Update Support—
Red HatRed Hat Hardened Images—
Red HatRed Hat Hardened Images—
Red HatRed Hat Hardened Images—

References

Timeline

Published
Jun 9, 2026
Last modified
Nov 11, 2026
NVD status
Modified

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CVE-2026-45591: High severity, CVSS 7.5 | Vulnix