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CVE-2020-1066— .NET Framework Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft .NET Framework 3.0 Service Pack 2
Exploitation
Public or AI PoC available; prioritize validation
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是美国微软（Microsoft）公司的一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。该平台包括C#和Visual Basic编程语言、公共语言运行库和广泛的类库。 Microsoft .NET Framework 3.0 SP2版本和3.5.1版本中存在提权漏洞。攻击者可通过访问本地计算机并运行恶意程序利用该漏

AI Predicted 5.9 Difficulty: Moderate EPSS 2.50% · P84

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 2

VendorProduct Version RangeStatus
Microsoft Microsoft .NET Framework 3.0 Service Pack 2 3.0.0< publication affected
Microsoft Microsoft .NET Framework 3.5.1 3.5.0< publication affected
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I. Basic Information for CVE-2020-1066

Vulnerability Information
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Vulnerability Title
.NET Framework Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program. The update addresses the vulnerability by correcting how .NET Framework activates COM objects.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft .NET Framework 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft .NET Framework是美国微软（Microsoft）公司的一种全面且一致的编程模型，也是一个用于构建Windows、Windows Store、Windows Phone、Windows Server和Microsoft Azure的应用程序的开发平台。该平台包括C#和Visual Basic编程语言、公共语言运行库和广泛的类库。 Microsoft .NET Framework 3.0 SP2版本和3.5.1版本中存在提权漏洞。攻击者可通过访问本地计算机并运行恶意程序利用该漏
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 3.0 Service Pack 2 3.0.0 ~ publication -
Microsoft Microsoft .NET Framework 3.5.1 3.5.0 ~ publication -

II. Public POCs for CVE-2020-1066

# POC Description Source Link Shenlong Link
1 CVE-2020-1066-EXP支持Windows 7和Windows Server 2008 R2操作系统 https://github.com/cbwang505/CVE-2020-1066-EXP POC Details
2 None https://github.com/xyddnljydd/cve-2020-1066 POC Details
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III. Intelligence Information for CVE-2020-1066

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Vendor Advisories for CVE-2020-1066 (2)

Same Patch Batch · Microsoft · 2020-05-21 · 112 CVEs total

CVE-2020-1117 8.8 HIGH Microsoft Color Management Remote Code Execution Vulnerability
CVE-2020-1126 8.8 HIGH Media Foundation Memory Corruption Vulnerability
CVE-2020-1118 8.6 HIGH Microsoft Windows Transport Layer Security Denial of Service Vulnerability
CVE-2020-1112 8.5 HIGH Windows Background Intelligent Transfer Service Elevation of Privilege Vulnerability
CVE-2020-1081 7.8 HIGH Windows Printer Service Elevation of Privilege Vulnerability
CVE-2020-1070 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2020-1051 7.8 HIGH Jet Database Engine Remote Code Execution Vulnerability
CVE-2020-1142 7.8 HIGH Windows GDI Elevation of Privilege Vulnerability
CVE-2020-1077 7.8 HIGH Windows Runtime Elevation of Privilege Vulnerability
CVE-2020-1139 7.8 HIGH Windows Runtime Elevation of Privilege Vulnerability
CVE-2020-1140 7.8 HIGH DirectX Elevation of Privilege Vulnerability
CVE-2020-1137 7.8 HIGH Windows Push Notification Service Elevation of Privilege Vulnerability
CVE-2020-1078 7.8 HIGH Windows Installer Elevation of Privilege Vulnerability
CVE-2020-1135 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2020-1136 7.8 HIGH Media Foundation Memory Corruption Vulnerability
CVE-2020-1082 7.8 HIGH Windows Error Reporting Elevation of Privilege Vulnerability
CVE-2020-1111 7.8 HIGH Windows Clipboard Service Elevation of Privilege Vulnerability
CVE-2020-1087 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2020-1110 7.8 HIGH Windows Update Stack Elevation of Privilege Vulnerability
CVE-2020-1114 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability

Showing top 20 of 112 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same vendor: Microsoft

V. Comments for CVE-2020-1066

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