CVE-2026-69651— .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.
.NET 中存在低效的算法复杂度问题，允许未经授权的攻击者通过拒绝服务的方式影响网络服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 14
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | .NET 10.0 | 10.0.0< 10.0.13 |
affected |
| Microsoft | .NET 11.0 | 11.0.0< 11.0.0-rc.2 |
affected |
| Microsoft | .NET 8.0 | 8.0.0< 8.0.32 |
affected |
| Microsoft | .NET 9.0 | 9.0.0< 9.0.21 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0< 2.0.50727.9188 AND 3.0.30729.9171 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0< 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0< 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0< 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1< 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0< 4.7.4150.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0< 4.8.4811.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0< 4.8.9363.0 |
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-2026-69651
Vulnerability Information
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Vulnerability Title
.NET Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Inefficient algorithmic complexity 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
算法复杂性
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-69651
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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Vendor Advisories for CVE-2026-69651 (1)
Same Patch Batch · Microsoft · 2026-10-13 · 1407 CVEs total
| CVE-2026-96113 | 9.8 CRITICAL | Windows Domain Name Service 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-2026-96219 | 9.8 CRITICAL | Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerabi |
| CVE-2026-83862 | 9.8 CRITICAL | Windows Network Load Balancing 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-2026-85806 | 9.8 CRITICAL | Network Policy Server (NPS) Remote Code Execution Vulnerability |
| CVE-2026-96864 | 9.8 CRITICAL | Microsoft Failover Cluster Virtual Driver Remote Code Execution Vulnerability |
| CVE-2026-97749 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-85792 | 9.8 CRITICAL | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
| CVE-2026-97016 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-97816 | 9.8 CRITICAL | Microsoft OpenSSH for Windows Remote Code Execution Vulnerability |
| CVE-2026-70242 | 9.8 CRITICAL | Microsoft Office Outlook Remote Code Execution Vulnerability |
| CVE-2026-70153 | 9.8 CRITICAL | Microsoft PostScript Printer Driver Remote Code Execution Vulnerability |
| CVE-2026-97814 | 9.8 CRITICAL | Windows Text Shaping Remote Code Execution Vulnerability |
| CVE-2026-100219 | 9.8 CRITICAL | Microsoft QUIC Remote Code Execution Vulnerability |
| CVE-2026-97815 | 9.8 CRITICAL | Windows Error Reporting Remote Code Execution Vulnerability |
| CVE-2026-69639 | 9.8 CRITICAL | Windows libarchive Remote Code Execution Vulnerability |
| CVE-2026-84015 | 9.8 CRITICAL | Remote Access Point-to-Point Protocol (PPP) EAP-TLS Remote Code Execution Vulnerability |
Showing top 20 of 1407 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: .NET 10.0
Same vendor: Microsoft
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V. Comments for CVE-2026-69651
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