CVE-2026-56170: Microsoft .net

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft .net: from 8.0.0, before 8.0.29 (fixed in 8.0.29); from 9.0.0, before 9.0.18 (fixed in 9.0.18); from 10.0.0, before 10.0.6 (fixed in 10.0.6)

Published 2026-07-14. Last modified 2026-07-22.