CVE-2026-65810— .NET Framework Elevation of Privilege Vulnerability
Quick assessment
Affected
Microsoft Microsoft .NET Framework 3.5
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 Framework是美国Microsoft公司的一款专用于 Windows 平台的软件开发框架与运行环境。 Microsoft .NET Framework 3.5版本、4.6.2版本、4.7版本、4.7.1版本、4.7.2版本、4.8版本和4.8.1版本存在路径遍历漏洞，该漏洞源于相对路径遍历问题，可能允许未经授权的攻击者在本地提升权限。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege EscalationAffected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft .NET Framework 3.5 | 3.5.0< 2.0.50727.9183 & 3.0.30729.9169 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0< 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0< 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0< 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 |
affected |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1< 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0< 4.7.4144.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0< 4.8.4805.0 |
affected |
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0< 4.8.9344.0 |
affected |
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I. Basic Information for CVE-2026-65810
Vulnerability Information
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Vulnerability Title
.NET Framework Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Relative path traversal in .NET Framework allows an unauthorized attacker to elevate privileges locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET Framework 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET Framework是美国Microsoft公司的一款专用于 Windows 平台的软件开发框架与运行环境。 Microsoft .NET Framework 3.5版本、4.6.2版本、4.7版本、4.7.1版本、4.7.2版本、4.8版本和4.8.1版本存在路径遍历漏洞，该漏洞源于相对路径遍历问题，可能允许未经授权的攻击者在本地提升权限。
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 | Microsoft .NET Framework 3.5 | 3.5.0 ~ 2.0.50727.9183 & 3.0.30729.9169 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 | 3.0.0.0 ~ 2.0.50727.8984 & 3.0.30729.8980 & 4.7.4144.0 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 | 4.7.0 ~ 2.0.50727.9070 & 3.0.30729.9068 & 4.7.4144.0 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 | 4.8.0 ~ 2.0.50727.9070 & 3.0.30729.9068 & 4.8.4805.0 | - |
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 | 4.8.1 ~ 2.0.50727.9183 & 3.0.30729.9169 & 4.8.9343.0 | - |
|
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | 4.7.0 ~ 4.7.4144.0 | - |
|
| Microsoft | Microsoft .NET Framework 4.8 | 4.8.0 ~ 4.8.4805.0 | - |
|
| Microsoft | Microsoft .NET Framework 4.8.1 | 4.8.0.0 ~ 4.8.9344.0 | - |
|
II. Public POCs for CVE-2026-65810
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-65810 (1)
Same Patch Batch · Microsoft · 2026-08-11 · 402 CVEs total
| CVE-2026-59124 | 9.8 CRITICAL | Microsoft High Performance Computing (HPC) Pack Remote Code Execution Vulnerability |
| CVE-2026-62815 | 9.8 CRITICAL | Microsoft QUIC Remote Code Execution Vulnerability |
| CVE-2026-62878 | 9.8 CRITICAL | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2026-62893 | 9.8 CRITICAL | Windows Deployment Services TFTP Server Remote Code Execution Vulnerability |
| CVE-2026-65791 | 9.8 CRITICAL | Windows iSCSI Target Service Remote Code Execution Vulnerability |
| CVE-2026-50516 | 9.4 CRITICAL | Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability |
| CVE-2026-70306 | 9.3 CRITICAL | Microsoft Office SharePoint Spoofing Vulnerability |
| CVE-2026-62785 | 8.8 HIGH | Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability |
| CVE-2026-62817 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2026-62795 | 8.8 HIGH | Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability |
| CVE-2026-70326 | 8.8 HIGH | Microsoft SharePoint Server Elevation of Privilege Vulnerability |
| CVE-2026-62784 | 8.8 HIGH | Microsoft Local Security Authority Server (lsasrv) Remote Code Execution Vulnerability |
| CVE-2026-62823 | 8.8 HIGH | Windows DHCP Server Remote Code Execution Vulnerability |
| CVE-2026-62872 | 8.8 HIGH | .NET Framework Elevation of Privilege Vulnerability |
| CVE-2026-62824 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-62822 | 8.8 HIGH | Windows GDI+ Remote Code Execution Vulnerability |
| CVE-2026-62800 | 8.8 HIGH | Windows SMBv3 Server Remote Code Execution Vulnerability |
| CVE-2026-70337 | 8.8 HIGH | Microsoft PowerShell Remote Code Execution Vulnerability |
| CVE-2026-62818 | 8.8 HIGH | Windows Active Directory Certificate Services (AD CS) Remote Code Execution Vulnerability |
| CVE-2026-62790 | 8.8 HIGH | Windows SMBv3 Server Remote Code Execution Vulnerability |
Showing top 20 of 402 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-65810
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