CVE-2026-45646— OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
Quick assessment
Affected
Microsoft AspNet.OData
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft ASP.NET Core是美国Microsoft公司的Web开发框架。 Microsoft ASP.NET Core存在资源管理错误漏洞，该漏洞源于资源分配缺乏限制或节流，可能导致未经授权的攻击者通过网络实施拒绝服务攻击。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | AspNet.OData | 7.0.0< 7.8.0 |
affected |
| Microsoft | AspNetCore.OData | 9.0.0< 9.5.0[SX1] |
affected |
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I. Basic Information for CVE-2026-45646
Vulnerability Information
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Vulnerability Title
OData for ASP.NET and ASP.NET Core Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft ASP.NET Core 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft ASP.NET Core是美国Microsoft公司的Web开发框架。 Microsoft ASP.NET Core存在资源管理错误漏洞，该漏洞源于资源分配缺乏限制或节流，可能导致未经授权的攻击者通过网络实施拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | AspNet.OData | 7.0.0 ~ 7.8.0 | - |
|
| Microsoft | AspNetCore.OData | 9.0.0 ~ 9.5.0[SX1] | - |
|
II. Public POCs for CVE-2026-45646
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-45646 (1)
Same Patch Batch · Microsoft · 2026-07-14 · 570 CVEs total
| CVE-2026-57092 | 9.9 CRITICAL | Microsoft Windows VMSwitch Elevation of Privilege Vulnerability |
| CVE-2026-54118 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-54117 | 9.8 CRITICAL | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-42990 | 9.8 CRITICAL | SQL Server ODBC driver Elevation of Privilege Vulnerability |
| CVE-2026-50522 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-58644 | 9.8 CRITICAL | Microsoft SharePoint Remote Code Execution Vulnerability |
| CVE-2026-50518 | 9.8 CRITICAL | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-56188 | 9.8 CRITICAL | Windows Server Network driver Remote Code Execution Vulnerability |
| CVE-2026-55010 | 9.8 CRITICAL | Minecraft Bedrock Dedicated Server Remote Code Execution Vulnerability |
| CVE-2026-56190 | 9.8 CRITICAL | Remote Desktop Protocol Remote Code Execution Vulnerability |
| CVE-2026-54990 | 9.8 CRITICAL | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-50447 | 9.8 CRITICAL | Windows Message Queuing Service (MSMQ) Remote Code Execution Vulnerability |
| CVE-2026-49172 | 9.8 CRITICAL | Windows FTP Service Remote Code Execution Vulnerability |
| CVE-2026-55944 | 9.8 CRITICAL | Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Co |
| CVE-2026-56159 | 9.8 CRITICAL | DHCP Server Service Remote Code Execution Vulnerability |
| CVE-2026-48561 | 9.6 CRITICAL | Microsoft Edge Copilot Remote Code Execution Vulnerability |
| CVE-2026-55008 | 9.6 CRITICAL | Microsoft Exchange Server Spoofing Vulnerability |
| CVE-2026-50380 | 9.6 CRITICAL | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-49798 | 9.3 CRITICAL | Windows Kernel Elevation of Privilege Vulnerability |
| CVE-2026-55040 | 9.1 CRITICAL | Microsoft SharePoint Server Security Feature Bypass Vulnerability |
Showing top 20 of 570 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-45646
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