CVE-2026-56170 Details
Description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
A denial-of-service vulnerability has been identified in ASP.NET Core. This issue arises from the allocation of resources without proper limits or throttling, allowing an unauthorized attacker to disrupt service over a network. The vulnerability affects several different versions and/or ranges of ASP.NET Core.
Users can download the security update for this vulnerability through the .NET website. For detailed guidance, refer to the Microsoft Knowledge Base articles 5104032, 5104033, and 5104034.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 14, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56170 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft .net | >= 8.0.0, < 8.0.29 >= 9.0.0, < 9.0.18 >= 10.0.0, < 10.0.6 |
CPE
Remediation
| |
| apple macos | All versions |
CPE
Remediation
| |
| linux linux kernel | All versions |
CPE
Remediation
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| microsoft windows | All versions |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 22, 2026 | Initial Analysis | [email protected] |
| Jul 14, 2026 | CVE Modified | [email protected] |
| Jul 14, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |