CVE-2026-56170

Microsoft · Published July 14, 2026

7.5

CVSS v3.1

HIGH

Patch availableGet patch

Description

ASP.NET Core Denial of Service Vulnerability. Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Affected Products

.NET 10.0 installed on Mac OS
.NET 10.0 installed on Linux
.NET 8.0 installed on Windows
.NET 8.0 installed on Linux

CVSS 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