CVE-2026-45646

HIGH

Microsoft ASP.NET Core OData - Resource Allocation Denial of Service

Title source: manual
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45646

Scores

CVSS v3 7.5
EPSS 0.0078
EPSS Percentile 52.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (4)
microsoft/asp.net_core_odata < 9.5.0
Microsoft/AspNet.OData 7.0.0 - 7.8.0
Microsoft/AspNetCore.OData 9.0.0 - 9.5.0[SX1]
microsoft/odata_web_api < 7.8.0
Published Jul 14, 2026
Tracked Since Jul 14, 2026