CVE-2026-70188— ASP.NET Core Security Feature Bypass Vulnerability
Quick assessment
Affected
Microsoft ASP.NET Core 10.0
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.
ASP.NET Core 中对 HTTP 请求的解析存在不一致性（即“HTTP 请求/响应 smuggling”漏洞），允许未经授权的攻击者通过网络绕过某项安全机制。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | ASP.NET Core 10.0 | 10.0< 10.0.13 |
affected |
| Microsoft | ASP.NET Core 11.0 | 11.0< 11.0.0-rc.2 |
affected |
| Microsoft | ASP.NET Core 8.0 | 8.0< 8.0.32 |
affected |
| Microsoft | ASP.NET Core 9.0 | 9.0< 9.0.21 |
affected |
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0< 17.14.42 |
affected |
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0< 18.10.4 |
affected |
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I. Basic Information for CVE-2026-70188
Vulnerability Information
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Vulnerability Title
ASP.NET Core Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature 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:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | ASP.NET Core 10.0 | 10.0 ~ 10.0.13 | - |
|
| Microsoft | ASP.NET Core 11.0 | 11.0 ~ 11.0.0-rc.2 | - |
|
| Microsoft | ASP.NET Core 8.0 | 8.0 ~ 8.0.32 | - |
|
| Microsoft | ASP.NET Core 9.0 | 9.0 ~ 9.0.21 | - |
|
| Microsoft | Microsoft Visual Studio 2022 version 17.14 | 17.14.0 ~ 17.14.42 | - |
|
| Microsoft | Microsoft Visual Studio 2026 version 18.10 | 18.10.0 ~ 18.10.4 | - |
|
II. Public POCs for CVE-2026-70188
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-70188 (1)
Same Patch Batch · Microsoft · 2026-10-13 · 1407 CVEs total
| CVE-2026-83517 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-69883 | 9.8 CRITICAL | Windows iSCSI Remote Code Execution Vulnerability |
| CVE-2026-70291 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-70242 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-69634 | 9.8 CRITICAL | Windows iSCSI Remote Code Execution Vulnerability |
| CVE-2026-105010 | 9.8 CRITICAL | Microsoft Windows Search Component Elevation of Privilege Vulnerability |
| CVE-2026-69639 | 9.8 CRITICAL | Windows libarchive Remote Code Execution Vulnerability |
| CVE-2026-70300 | 9.8 CRITICAL | Microsoft Office Word Remote Code Execution Vulnerability |
| CVE-2026-96096 | 9.8 CRITICAL | Windows Media Player Remote Code Execution Vulnerability |
| CVE-2026-88156 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-88178 | 9.8 CRITICAL | Microsoft Office PowerPoint Remote Code Execution Vulnerability |
| CVE-2026-97816 | 9.8 CRITICAL | Microsoft OpenSSH for Windows Remote Code Execution Vulnerability |
| CVE-2026-83935 | 9.8 CRITICAL | Microsoft XML Remote Code Execution Vulnerability |
| CVE-2026-70157 | 9.8 CRITICAL | Windows System Information Console Remote Code Execution Vulnerability |
| CVE-2026-85806 | 9.8 CRITICAL | Network Policy Server (NPS) Remote Code Execution Vulnerability |
| CVE-2026-85792 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-85814 | 9.8 CRITICAL | Microsoft Windows Media Foundation Remote Code Execution Vulnerability |
| CVE-2026-85809 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-100222 | 9.8 CRITICAL | Network Policy Server (NPS) Remote Code Execution Vulnerability |
| CVE-2026-83862 | 9.8 CRITICAL | Windows Network Load Balancing Remote Code Execution Vulnerability |
Showing top 20 of 1407 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: ASP.NET Core 10.0
Same vendor: Microsoft
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Same weakness: CWE-444
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V. Comments for CVE-2026-70188
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