CVE-2026-45646 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 Microsoft.AspNetCore.OData and Microsoft.AspNet.OData. This issue arises from the allocation of resources without proper limits or throttling, allowing an unauthorized attacker to disrupt service over the network.
Users can download the security update for Microsoft.AspNetCore.OData and Microsoft.AspNet.OData from the Microsoft Update Catalog. Instructions for applying the update are available in the release notes on the NuGet website.
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-2026-45646 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-770 | Allocation of Resources Without Limits or Throttling | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft asp.net core odata | < 9.5.0 |
CPE
Remediation
| |
| microsoft odata web api | < 7.8.0 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 16, 2026 | Initial Analysis | [email protected] |
| Jul 14, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |