Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-42298— Microsoft Defender Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Microsoft Malware Protection Engine
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Defender是美国微软（Microsoft）公司的一套Windows系统附带的防病毒软件。 Microsoft Windows Defender存在代码注入漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品和版本受到影响：Microsoft Malware Protection Engine

CVSS 7.8 · High EPSS 5.80% · P93

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Malware Protection Engine 1.1.0.0< 1.1.18700.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-42298

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Microsoft Defender Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Defender Remote Code Execution Vulnerability
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
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Defender 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Defender是美国微软（Microsoft）公司的一套Windows系统附带的防病毒软件。 Microsoft Windows Defender存在代码注入漏洞。该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品和版本受到影响：Microsoft Malware Protection Engine
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 Malware Protection Engine 1.1.0.0 ~ 1.1.18700.3 -

II. Public POCs for CVE-2021-42298

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-42298

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-42298 (2)

Same Patch Batch · Microsoft · 2021-11-10 · 54 CVEs total

CVE-2021-26443 9.0 CRITICAL Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
CVE-2021-38666 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-42321 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-42316 8.8 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-42283 8.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-42275 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2021-43209 7.8 HIGH 3D Viewer Remote Code Execution Vulnerability
CVE-2021-43208 7.8 HIGH 3D Viewer Remote Code Execution Vulnerability
CVE-2021-42292 7.8 HIGH Microsoft Excel Security Feature Bypass Vulnerability
CVE-2021-42322 7.8 HIGH Visual Studio Code Elevation of Privilege Vulnerability
CVE-2021-42286 7.8 HIGH Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege
CVE-2021-42285 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2021-42276 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-41378 7.8 HIGH Windows NTFS Remote Code Execution Vulnerability
CVE-2021-41377 7.8 HIGH Windows Fast FAT File System Driver Elevation of Privilege Vulnerability
CVE-2021-41370 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41367 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41366 7.8 HIGH Credential Security Support Provider Protocol (CredSSP) Elevation of Privilege Vulnerabili
CVE-2021-40442 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-36957 7.8 HIGH Windows Desktop Bridge Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Malware Protection Engine
Same vendor: Microsoft

V. Comments for CVE-2021-42298

No comments yet

Leave a comment