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複数の Microsoft 製品における情報を公開される脆弱性
Title 複数の Microsoft 製品における情報を公開される脆弱性
Summary

複数の Microsoft 製品には、リッチテキスト編集コントロールに不備があるため、情報を公開される脆弱性が存在します。

Possible impacts 情報を公開される可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Oct. 12, 2021, midnight
Registration Date Oct. 22, 2021, 2:27 p.m.
Last Update Oct. 22, 2021, 2:27 p.m.
CVSS3.0 : 警告
Score 5.5
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS2.0 : 注意
Score 2.1
Vector AV:L/AC:L/Au:N/C:P/I:N/A:N
Affected System
マイクロソフト
Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Office 2013 RT SP1
Microsoft Office 2013 SP1 (32-bit editions)
Microsoft Office 2013 SP1 (64-bit editions)
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office 2019 for Mac
Microsoft Office LTSC 2021 for 32-bit editions
Microsoft Office LTSC 2021 for 64-bit editions
Microsoft Office LTSC for Mac 2021
Microsoft Windows 10 for 32-bit Systems
Microsoft Windows 10 for x64-based Systems
Microsoft Windows 10 Version 1607 for 32-bit Systems
Microsoft Windows 10 Version 1607 for x64-based Systems
Microsoft Windows 10 Version 1809 for 32-bit Systems
Microsoft Windows 10 Version 1809 for ARM64-based Systems
Microsoft Windows 10 Version 1809 for x64-based Systems
Microsoft Windows 10 Version 1909 for 32-bit Systems
Microsoft Windows 10 Version 1909 for ARM64-based Systems
Microsoft Windows 10 Version 1909 for x64-based Systems
Microsoft Windows 10 Version 2004 for 32-bit Systems
Microsoft Windows 10 Version 2004 for ARM64-based Systems
Microsoft Windows 10 Version 2004 for x64-based Systems
Microsoft Windows 10 Version 20H2 for 32-bit Systems
Microsoft Windows 10 Version 20H2 for ARM64-based Systems
Microsoft Windows 10 Version 20H2 for x64-based Systems
Microsoft Windows 10 Version 21H1 for 32-bit Systems
Microsoft Windows 10 Version 21H1 for ARM64-based Systems
Microsoft Windows 10 Version 21H1 for x64-based Systems
Microsoft Windows 11 for ARM64-based Systems
Microsoft Windows 11 for x64-based Systems
Microsoft Windows 8.1 for 32-bit systems
Microsoft Windows 8.1 for x64-based systems
Microsoft Windows RT 8.1 
Microsoft Windows Server version 2004 (Server Core installation)
Microsoft Windows Server version 20H2 (Server Core Installation)
Microsoft Windows Server 2012 
Microsoft Windows Server 2012 (Server Core installation)
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2012 R2 (Server Core installation)
Microsoft Windows Server 2016 
Microsoft Windows Server 2016 (Server Core installation)
Microsoft Windows Server 2019 
Microsoft Windows Server 2019 (Server Core installation)
Microsoft Windows Server 2022 
Microsoft Windows Server 2022 (Server Core installation)
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2021年10月22日]
  掲載		 Oct. 22, 2021, 2:27 p.m.
NVD Vulnerability Information
CVE-2021-40454
Summary

Rich Text Edit Control Information Disclosure Vulnerability

Publication Date Oct. 13, 2021, 10:15 a.m.
Registration Date Oct. 13, 2021, 4 p.m.
Last Update Nov. 21, 2024, 3:24 p.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2013_rt:sp1:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:arm64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
cpe:2.3:a:microsoft:office:2013:sp1:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10:21h1:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server:2004:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
cpe:2.3:a:microsoft:office:2021:*:ltsc:*:*:x86:*:*
cpe:2.3:a:microsoft:office:2021:*:ltsc:*:*:x64:*:*
cpe:2.3:a:microsoft:office:2021:*:ltsc:*:*:macos:*:*
Related information, measures and tools
Common Vulnerabilities List