CVE-2026-26171— .NET Denial of Service Vulnerability
Quick assessment
Affected
Microsoft .NET 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.
Microsoft .NET是美国微软（Microsoft）公司的一个致力于敏捷软件开发、快速应用开发、平台无关性和网络透明化的软件框架。 Microsoft .NET存在代码问题漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：.NET 10.0 installed on Linux,.NET 8.0 installed on Windows,.NET 10.0 installed on Mac OS,.NET 8.0 installed on Linux,.NET 8.0 install
Possible ATT&CK Techniques 2 AI
T1499 · Endpoint Denial of Service T1499.002 · Service Exhaustion FloodAffected Version Matrix 5
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0< 10.0.6 |
affected |
| Microsoft | .NET 8.0 | 8.0.0< 8.0.26 |
affected |
| Microsoft | .NET 9.0 | 9.0.0< 9.0.15 |
affected |
| Microsoft | PowerShell 7.5 | 7.5.0< 7.5.6 |
affected |
| Microsoft | PowerShell 7.6 | 7.6.0< 7.6.1 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-26171
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
.NET Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Uncontrolled resource consumption in .NET 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
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET是美国微软（Microsoft）公司的一个致力于敏捷软件开发、快速应用开发、平台无关性和网络透明化的软件框架。 Microsoft .NET存在代码问题漏洞。攻击者利用该漏洞导致系统拒绝服务。以下产品和版本受到影响：.NET 10.0 installed on Linux,.NET 8.0 installed on Windows,.NET 10.0 installed on Mac OS,.NET 8.0 installed on Linux,.NET 8.0 install
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 | .NET 10.0 | 10.0.0 ~ 10.0.6 | - |
|
| Microsoft | .NET 8.0 | 8.0.0 ~ 8.0.26 | - |
|
| Microsoft | .NET 9.0 | 9.0.0 ~ 9.0.15 | - |
|
| Microsoft | PowerShell 7.5 | 7.5.0 ~ 7.5.6 | - |
|
| Microsoft | PowerShell 7.6 | 7.6.0 ~ 7.6.1 | - |
|
II. Public POCs for CVE-2026-26171
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-26171
请登录查看更多情报信息。
Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total
| CVE-2026-33824 | 9.8 CRITICAL | Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability |
| CVE-2026-26149 | 9.0 CRITICAL | Microsoft Power Apps Desktop Client Spoofing Vulnerability |
| CVE-2026-26178 | 8.8 HIGH | Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability |
| CVE-2026-33120 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-32157 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-32171 | 8.8 HIGH | Azure Logic Apps Elevation of Privilege Vulnerability |
| CVE-2026-32225 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-26167 | 8.8 HIGH | Windows Push Notifications Elevation of Privilege Vulnerability |
| CVE-2026-27928 | 8.7 HIGH | Windows Hello Security Feature Bypass Vulnerability |
| CVE-2026-32162 | 8.4 HIGH | Windows COM Elevation of Privilege Vulnerability |
| CVE-2026-32190 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-33114 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-32091 | 8.4 HIGH | Microsoft Brokering File System Elevation of Privilege Vulnerability |
| CVE-2026-32221 | 8.4 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2026-33115 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-33827 | 8.1 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2026-27912 | 8.0 HIGH | Windows Kerberos Elevation of Privilege Vulnerability |
| CVE-2026-33826 | 8.0 HIGH | Windows Active Directory Remote Code Execution Vulnerability |
| CVE-2026-33098 | 7.8 HIGH | Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability |
| CVE-2026-33825 | 7.8 HIGH | Microsoft Defender Elevation of Privilege Vulnerability |
Showing top 20 of 163 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: .NET 10.0
Same vendor: Microsoft
-
CVE-2026-88164
Microsoft Office SharePoint Elevation of Privilege Vulnerabi -
CVE-2026-94512
SQL Server Remote Code Execution Vulnerability -
CVE-2026-94520
Microsoft SQL Server Denial of Service Vulnerability -
CVE-2026-85919
Microsoft SQL Server Elevation of Privilege Vulnerability -
CVE-2026-88084
Microsoft SQL Server Denial of Service Vulnerability
Same weakness: CWE-400
-
CVE-2026-110872
Nodemailer 3.0.0 before 10.0.10 Denial of Service via SMTP R -
CVE-2026-110871
Nodemailer 3.0.0 before 10.0.10 Quadratic DKIM Header Unfold -
CVE-2026-110833
FreeRDP before 3.32.0 Unbounded Memory Retention via RDPDR P -
CVE-2026-110832
FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via DRDYNVC DA -
CVE-2026-110830
FreeRDP before 3.32.0 Denial of Service via Serial IRP_MJ_CR
V. Comments for CVE-2026-26171
No comments yet