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CVE-2021-40454— Rich Text Edit Control 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 Rich Text Edit Control是美国微软（Microsoft）公司的一个富文本编辑器的实现。 Microsoft Rich Text Edit Control 存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。

CVSS 5.5 · Medium EPSS 0.50% · P41

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-40454

Vulnerability Information
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Vulnerability Title
Rich Text Edit Control Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Rich Text Edit Control 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 Rich Text Edit Control 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Rich Text Edit Control是美国微软（Microsoft）公司的一个富文本编辑器的实现。 Microsoft Rich Text Edit Control 存在信息泄露漏洞，该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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 ~ 10.0.19043.1288 cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1288:*:*:*:*:*: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 ~ 10.0.19042.1288 cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1288:*:*:*:*:*: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:*
Microsoft Windows 10 Version 1507 10.0.0 ~ 10.0.10240.19086 cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19086:*:*:*:*:*:x86:*
Microsoft Windows 10 Version 1607 10.0.0 ~ 10.0.14393.4704 cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4704:*:*:*:*:*:x86:*
Microsoft Windows Server 2016 10.0.0 ~ 10.0.14393.4704 cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4704:*:*:*:*:*:*:*
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 ~ 10.0.14393.4704 cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4704:*:*:*:*:*:*:*
Microsoft Windows 8.1 6.3.0 ~ 6.3.9600.20144 cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20144:*:*:*:*:*:x86:*
Microsoft Windows Server 2012 6.2.0 ~ 6.2.9200.23490 cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23490:*:*:*:*:*:x64:*
Microsoft Windows Server 2012 (Server Core installation) 6.2.0 ~ 6.2.9200.23490 cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23490:*:*:*:*:*:x64:*
Microsoft Windows Server 2012 R2 6.3.0 ~ 6.3.9600.20144 cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20144:*:*:*:*:*:x64:*
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 ~ 6.3.9600.20144 cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20144:*:*:*:*:*:x64:*
Microsoft Microsoft Office 2019 19.0.0 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
Microsoft Microsoft Office 2019 for Mac 16.0.0 ~ 16.54.21101001 cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft Microsoft Office 2016 16.0.0 ~ 16.0.5227.1000 cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 ~ 15.0.5389.1000 cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
Microsoft Microsoft Office LTSC 2021 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
Microsoft Microsoft Office LTSC for Mac 2021 16.0.1 ~ 16.54.21101001 cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*

II. Public POCs for CVE-2021-40454

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III. Intelligence Information for CVE-2021-40454

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Vendor Advisories for CVE-2021-40454 (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-2021-40454

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