CVE-2022-21971— Windows Runtime Remote Code Execution Vulnerability
Quick assessment
Affected
Microsoft Windows 10 Version 1809
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Windows Runtime（.net framework）是美国微软（Microsoft）公司的一款Windows操作系统中必要的功能支持库。 Microsoft Windows Runtime 存在缓冲区错误漏洞。以下产品和版本受到影响：Windows 10 Version 21H2 for x64-based Systems，Windows 10 Version 21H2 for ARM64-based Systems，Windows 10 Version 21H2 for 3
In-the-Wild Activity Observed
cisa_kev · confirmed
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2022-21971
Vulnerability Information
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Vulnerability Title
Windows Runtime Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Runtime 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 Runtime 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Runtime（.net framework）是美国微软（Microsoft）公司的一款Windows操作系统中必要的功能支持库。 Microsoft Windows Runtime 存在缓冲区错误漏洞。以下产品和版本受到影响：Windows 10 Version 21H2 for x64-based Systems，Windows 10 Version 21H2 for ARM64-based Systems，Windows 10 Version 21H2 for 3
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1809 | 10.0.17763.0 ~ 10.0.17763.2565 | - |
|
| Microsoft | Windows 10 Version 1809 | 10.0.0 ~ 10.0.17763.2565 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.2565 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.2565 | - |
|
| Microsoft | Windows 10 Version 1909 | 10.0.0 ~ 10.0.18363.2094 | - |
|
| Microsoft | Windows 10 Version 21H1 | 10.0.0 ~ 10.0.19043.1526 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.524 | - |
|
| Microsoft | Windows 10 Version 20H2 | 10.0.0 ~ 10.0.19042.1526 | - |
|
| Microsoft | Windows Server version 20H2 | 10.0.0 ~ 10.0.19042.1526 | - |
|
| Microsoft | Windows 11 version 21H2 | 10.0.0 ~ 10.0.22000.493 | - |
|
| Microsoft | Windows 10 Version 21H2 | 10.0.19043.0 ~ 10.0.19044.1526 | - |
|
II. Public POCs for CVE-2022-21971
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | PoC for CVE-2022-21971 "Windows Runtime Remote Code Execution Vulnerability" | https://github.com/0vercl0k/CVE-2022-21971 | POC Details |
| 2 | None | https://github.com/tufanturhan/CVE-2022-21971-Windows-Runtime-RCE | POC Details |
| 3 | POC Of CVE-2022-21971 | https://github.com/Malwareman007/CVE-2022-21971 | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2022-21971 (1)
Same Patch Batch · Microsoft · 2022-02-09 · 48 CVEs total
| CVE-2022-23274 | 8.8 HIGH | Microsoft Dynamics GP Remote Code Execution Vulnerability |
| CVE-2022-21984 | 8.8 HIGH | Windows DNS Server Remote Code Execution Vulnerability |
| CVE-2022-22005 | 8.8 HIGH | Microsoft SharePoint Server Remote Code Execution Vulnerability |
| CVE-2022-23272 | 8.1 HIGH | Microsoft Dynamics GP Elevation Of Privilege Vulnerability |
| CVE-2022-23256 | 8.1 HIGH | Azure Data Explorer Spoofing Vulnerability |
| CVE-2022-21991 | 8.1 HIGH | Visual Studio Code Remote Development Extension Remote Code Execution Vulnerability |
| CVE-2022-21987 | 8.0 HIGH | Microsoft SharePoint Server Spoofing Vulnerability |
| CVE-2022-21995 | 7.9 HIGH | Windows Hyper-V Remote Code Execution Vulnerability |
| CVE-2022-22004 | 7.8 HIGH | Microsoft Office ClickToRun Remote Code Execution Vulnerability |
| CVE-2022-21981 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2022-21996 | 7.8 HIGH | Win32k Elevation of Privilege Vulnerability |
| CVE-2022-21999 | 7.8 HIGH | Windows Print Spooler Elevation of Privilege Vulnerability |
| CVE-2022-22000 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2022-22001 | 7.8 HIGH | Windows Remote Access Connection Manager Elevation of Privilege Vulnerability |
| CVE-2022-22003 | 7.8 HIGH | Microsoft Office Graphics Remote Code Execution Vulnerability |
| CVE-2022-21926 | 7.8 HIGH | HEVC Video Extensions Remote Code Execution Vulnerability |
| CVE-2022-22709 | 7.8 HIGH | VP9 Video Extensions Remote Code Execution Vulnerability |
| CVE-2022-22715 | 7.8 HIGH | Named Pipe File System Elevation of Privilege Vulnerability |
| CVE-2022-22718 | 7.8 HIGH | Windows Print Spooler Elevation of Privilege Vulnerability |
| CVE-2022-23276 | 7.8 HIGH | SQL Server for Linux Containers Elevation of Privilege Vulnerability |
Showing top 20 of 48 CVEs. View all on vendor page → →
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V. Comments for CVE-2022-21971
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