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CVE-2021-40475— Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1809
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 Cloud Files Mini Filter Driver是美国微软（Microsoft）公司的一款云文件过滤器驱动程序。 Microsoft Windows Cloud Files Mini Filter Driver存在信息泄露漏洞。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 Versi

CVSS 5.5 · Medium EPSS 0.73% · P52

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-40475

Vulnerability Information
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Vulnerability Title
Windows Cloud Files Mini Filter Driver Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Cloud Files Mini Filter Driver Information Disclosure 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:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Cloud Files Mini Filter Driver 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Cloud Files Mini Filter Driver是美国微软（Microsoft）公司的一款云文件过滤器驱动程序。 Microsoft Windows Cloud Files Mini Filter Driver存在信息泄露漏洞。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 Versi
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 1809 10.0.0 ~ 10.0.17763.2237 cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2237:*:*:*:*:*:x86:*
Microsoft Windows Server 2019 10.0.0 ~ 10.0.17763.2237 cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 ~ 10.0.17763.2237 cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2237:*:*:*:*:*:*:*
Microsoft Windows 10 Version 1909 10.0.0 ~ 10.0.18363.1854 cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1854:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 21H1 10.0.0 ~ 10.0.19041.1288 cpe:2.3:o:microsoft:windows_10_21H1:10.0.19041.1288:*:*:*:*:*:x64:*
Microsoft Windows Server 2022 10.0.0 ~ 10.0.20348.288 cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.288:*:*:*:*:*:*:*
Microsoft Windows 10 Version 2004 10.0.0 ~ 10.0.19041.1288 cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1288:*:*:*:*:*:x64:*
Microsoft Windows Server version 2004 10.0.0 ~ 10.0.19041.1288 cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1288:*:*:*:*:*:*:*
Microsoft Windows 10 Version 20H2 10.0.0 ~ 10.0.19041.1288 cpe:2.3:o:microsoft:windows_10_20H2:10.0.19041.1288:*:*:*:*:*:x86:*
Microsoft Windows Server version 20H2 10.0.0 ~ 10.0.19042.1288 cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1288:*:*:*:*:*:*:*
Microsoft Windows 11 version 21H2 10.0.0 ~ 10.0.22000.258 cpe:2.3:o:microsoft:windows_11_21H2:10.0.22000.258:*:*:*:*:*:x64:*

II. Public POCs for CVE-2021-40475

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III. Intelligence Information for CVE-2021-40475

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Vendor Advisories for CVE-2021-40475 (1)

Same Patch Batch · Microsoft · 2021-10-13 · 71 CVEs total

CVE-2021-26427 9.0 CRITICAL Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-36970 8.8 HIGH Windows Print Spooler Spoofing Vulnerability
CVE-2021-41344 8.1 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-40487 8.1 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-41348 8.0 HIGH Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-40461 8.0 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-38672 8.0 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-40464 8.0 HIGH Windows Nearby Sharing Elevation of Privilege Vulnerability
CVE-2021-40450 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2021-40462 7.8 HIGH Windows Media Foundation Dolby Digital Atmos Decoders Remote Code Execution Vulnerability
CVE-2021-40449 7.8 HIGH Win32k Elevation of Privilege Vulnerability
CVE-2021-40473 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40474 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40477 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-40478 7.8 HIGH Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-40480 7.8 HIGH Microsoft Office Visio Remote Code Execution Vulnerability
CVE-2021-40485 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40486 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-40479 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-40467 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1809
Same vendor: Microsoft

V. Comments for CVE-2021-40475

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