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CVE-2021-31187— Windows WalletService Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1803
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 WalletService是美国微软（Microsoft）公司的一个应用程序。托管钱包客户端使用的对象。 Windows WalletService存在后置链接漏洞。以下产品和版本受到影响：Windows 10 Version 1803 for 32-bit Systems，Windows 10 Version 1803 for x64-based Systems，Windows 10 Version 1803 for ARM64-based Systems等。

CVSS 7.8 · High EPSS 1.14% · P65

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-31187

Vulnerability Information
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Vulnerability Title
Windows WalletService Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows WalletService Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 WalletService 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows WalletService是美国微软（Microsoft）公司的一个应用程序。托管钱包客户端使用的对象。 Windows WalletService存在后置链接漏洞。以下产品和版本受到影响：Windows 10 Version 1803 for 32-bit Systems，Windows 10 Version 1803 for x64-based Systems，Windows 10 Version 1803 for ARM64-based Systems等。
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 1803 10.0.0 ~ 10.0.17134.2207 cpe:2.3:o:microsoft:windows_10_1809:10.0.17134.2207:*:*:*:*:*:x64:*
Microsoft Windows 10 Version 1809 10.0.0 ~ 10.0.17763.1935 cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.1935:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 1909 10.0.0 ~ 10.0.18363.1556 cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1556:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 2004 10.0.0 ~ 10.0.19041.982 cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.982:*:*:*:*:*:x64:*
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19042.982 cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.982:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 1507 10.0.0 ~ 10.0.10240.18931 cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.18931:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 1607 10.0.0 ~ 10.0.14393.4401 cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4401:*:*:*:*:*:x86:*

II. Public POCs for CVE-2021-31187

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III. Intelligence Information for CVE-2021-31187

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Vendor Advisories for CVE-2021-31187 (2)

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

CVE-2021-28476 9.9 CRITICAL Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-31166 9.8 CRITICAL HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-27068 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2021-28455 8.8 HIGH Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul
CVE-2021-28474 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-31181 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2021-31194 8.8 HIGH OLE Automation Remote Code Execution Vulnerability
CVE-2021-31208 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31169 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-28465 7.8 HIGH Web Media Extensions Remote Code Execution Vulnerability
CVE-2021-31211 7.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31165 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31167 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31168 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31180 7.8 HIGH Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2021-31170 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31179 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31177 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31175 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31176 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1803
Same vendor: Microsoft

V. Comments for CVE-2021-31187

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