CVE-2026-45646: CWE-770: Allocation of Resources Without Limits or Throttling in Microsoft AspNet.OData
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CWE-770) in ASP.NET Core's AspNet.OData component involves allocation of resources without proper limits or throttling, enabling an attacker without privileges to trigger resource exhaustion and cause denial of service. The affected version is 7.0.0. Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication to cause denial of service by exhausting system resources. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45646 to remediate this vulnerability.
CVE-2026-45646: CWE-770: Allocation of Resources Without Limits or Throttling in Microsoft AspNet.OData
Description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
pkg:nuget/microsoft.aspnetcore.odataRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-770) in ASP.NET Core's AspNet.OData component involves allocation of resources without proper limits or throttling, enabling an attacker without privileges to trigger resource exhaustion and cause denial of service. The affected version is 7.0.0. Microsoft has published an official fix to remediate this issue.
Potential Impact
An attacker can exploit this vulnerability remotely without authentication to cause denial of service by exhausting system resources. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
An official fix is available from Microsoft. Users should apply the patch provided in the Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45646 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.156Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45646","vendor":"Microsoft"}]
Threat ID: 6a566f6868715ace43e6b340
Added to database: 07/14/2026, 17:18:32 UTC
Last enriched: 08/13/2026, 14:16:19 UTC
Last updated: 08/27/2026, 22:52:11 UTC
Views: 69
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