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CVE-2021-26424— Windows TCP/IP Remote Code Execution Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
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 TCP/IP component是美国微软（Microsoft）公司的一个为Windows提供TCP/IP配置功能的组件。 Microsoft Windows TCP/IP存在缓冲区错误漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows 10 Version 2004 for 32-bit Sys

CVSS 9.9 · Critical EPSS 61.13% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 25

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 7 6.1.0< 6.1.7601.25685 affected
Microsoft Windows 7 Service Pack 1 6.1.0< 6.1.7601.25685 affected
Microsoft Windows 8.1 6.3.0< 6.3.9600.20094 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.25685 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.25685 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.21192 affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0< 6.0.6003.21192 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.23435 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.23435 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.20094 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.20094 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.4583 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.4583 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.2114 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.2114 affected
Microsoft Windows Server version 2004 10.0.0< 10.0.19041.1165 affected
Microsoft Windows Server version 20H2 10.0.0< 10.0.19042.1165 affected
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I. Basic Information for CVE-2021-26424

Vulnerability Information
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Vulnerability Title
Windows TCP/IP Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows TCP/IP Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 TCP/IP component 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows TCP/IP component是美国微软（Microsoft）公司的一个为Windows提供TCP/IP配置功能的组件。 Microsoft Windows TCP/IP存在缓冲区错误漏洞。以下产品和版本受到影响：Windows 10 Version 21H1 for ARM64-based Systems,Windows 10 Version 21H1 for 32-bit Systems,Windows 10 Version 2004 for 32-bit Sys
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 7 6.1.0 ~ 6.1.7601.25685 -
Microsoft Windows 7 Service Pack 1 6.1.0 ~ 6.1.7601.25685 -
Microsoft Windows 8.1 6.3.0 ~ 6.3.9600.20094 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.25685 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.25685 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.21192 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.21192 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.23435 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.23435 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.20094 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.20094 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.4583 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.4583 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.2114 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.2114 -
Microsoft Windows Server version 2004 10.0.0 ~ 10.0.19041.1165 -
Microsoft Windows Server version 20H2 10.0.0 ~ 10.0.19042.1165 -

II. Public POCs for CVE-2021-26424

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III. Intelligence Information for CVE-2021-26424

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Vendor Advisories for CVE-2021-26424 (2)

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

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-2021-34484 7.8 HIGH Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2021-36941 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-34471 7.8 HIGH Microsoft Defender Elevation of Privilege Vulnerability
CVE-2021-26431 7.8 HIGH Windows Recovery Environment Agent Elevation of Privilege Vulnerability
CVE-2021-36948 7.8 HIGH Windows Update Medic Service Elevation of Privilege Vulnerability
CVE-2021-26425 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-34478 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-34483 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2021-36927 7.8 HIGH Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerabil
CVE-2021-36937 7.8 HIGH Windows Media MPEG-4 Video Decoder Remote Code Execution Vulnerability
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-2021-34486 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-34533 7.8 HIGH Windows Graphics Component Font Parsing 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-2021-26424

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