Advisoriesby IbisMicrosoftCVE-2026-56170
Microsoft ASP.NET Core: resource exhaustion
Fix: upgrade to 10.0.10 or later (3 fixed versions below)
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| .NET 10.0 runtime Product | >= 10.0.0, < 10.0.10 | 10.0.10 |
| .NET 8.0 runtime Product | >= 8.0.0, < 8.0.29 | 8.0.29 |
| .NET 9.0 runtime Product | >= 9.0.0, < 9.0.18 | 9.0.18 |
Changes since it was listed
Fixed in: .NET 10.0 10.0.10, .NET 8.0 8.0.29, .NET 9.0 9.0.18 to .NET 10.0 runtime 10.0.10, .NET 8.0 runtime 8.0.29, .NET 9.0 runtime 9.0.18
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-770