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CVE-2021-34534— Windows MSHTML Platform Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
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 Windows MSHTML Platform是美国微软（Microsoft）公司的一个应用程序。 Microsoft Windows MSHTML Platform存在代码注入漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version 21H1 for x64-based Systems,Window

CVSS 6.8 · Medium EPSS 2.22% · P82

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.19022 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.4583 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.2114 affected
10.0.0< 10.0.17763.2114 affected
Microsoft Windows 10 Version 1909 10.0.0< 10.0.18363.1734 affected
Microsoft Windows 10 Version 2004 10.0.0< 10.0.19041.1165 affected
Microsoft Windows 10 Version 20H2 10.0.0< 10.0.19042.1165 affected
Microsoft Windows 10 Version 21H1 10.0.0< 10.0.19043.1165 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.4583 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.2114 affected
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I. Basic Information for CVE-2021-34534

Vulnerability Information
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Vulnerability Title
Windows MSHTML Platform Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows MSHTML Platform Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows MSHTML Platform 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows MSHTML Platform是美国微软（Microsoft）公司的一个应用程序。 Microsoft Windows MSHTML Platform存在代码注入漏洞。以下产品和版本受到影响：Windows 10 Version 1809 for 32-bit Systems,Windows 10 Version 1809 for x64-based Systems,Windows 10 Version 21H1 for x64-based Systems,Window
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 Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.19022 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.4583 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.2114 -
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.2114 -
Microsoft Windows 10 Version 1909 10.0.0 ~ 10.0.18363.1734 -
Microsoft Windows 10 Version 2004 10.0.0 ~ 10.0.19041.1165 -
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.1165 -
Microsoft Windows 10 Version 21H1 10.0.0 ~ 10.0.19043.1165 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.4583 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.2114 -

II. Public POCs for CVE-2021-34534

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III. Intelligence Information for CVE-2021-34534

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Vendor Advisories for CVE-2021-34534 (2)

Same Patch Batch · Microsoft · 2021-08-12 · 45 CVEs total

CVE-2021-26424 9.9 CRITICAL Windows TCP/IP Remote Code Execution Vulnerability
CVE-2021-26432 9.8 CRITICAL Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
CVE-2021-36947 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34535 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-36936 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34524 8.1 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-36941 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-34486 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-34471 7.8 HIGH Microsoft Defender Elevation of Privilege Vulnerability
CVE-2021-26425 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-36948 7.8 HIGH Windows Update Medic Service Elevation of Privilege Vulnerability
CVE-2021-26431 7.8 HIGH Windows Recovery Environment Agent Elevation of Privilege Vulnerability
CVE-2021-36937 7.8 HIGH Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability
CVE-2021-34484 7.8 HIGH Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2021-36927 7.8 HIGH Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerabil
CVE-2021-34537 7.8 HIGH Windows Bluetooth Driver Elevation of Privilege Vulnerability
CVE-2021-34536 7.8 HIGH Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-34533 7.8 HIGH Windows Graphics Component Font Parsing Remote Code Execution Vulnerability
CVE-2021-36958 7.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34530 7.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability

Showing top 20 of 45 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft

V. Comments for CVE-2021-34534

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