| Title | 複数の Microsoft Windows 製品における権限を昇格される脆弱性 |
|---|---|
| Summary | Microsoft Windows 10、Windows 11、Windows Server には、Win32k に不備があるため、権限を昇格される脆弱性が存在します。 本脆弱性は、CVE-2021-40449 および CVE-2021-40450 とは異なる脆弱性です。 |
| Possible impacts | 権限を昇格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, 1:43 p.m. |
| Last Update | Oct. 22, 2021, 1:43 p.m. |
| CVSS3.0 : 重要 | |
| Score | 7.8 |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CVSS2.0 : 警告 | |
| Score | 4.6 |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:P/A:P |
| マイクロソフト |
| 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 Server version 2004 (Server Core installation) |
| Microsoft Windows Server version 20H2 (Server Core Installation) |
| Microsoft Windows Server 2022 |
| Microsoft Windows Server 2022 (Server Core installation) |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2021年10月22日] 掲載 |
Oct. 22, 2021, 1:43 p.m. |
| Summary | Win32k Elevation of Privilege Vulnerability |
|---|---|
| Publication Date | Oct. 13, 2021, 10:15 a.m. |
| Registration Date | Oct. 13, 2021, 4 p.m. |
| Last Update | March 8, 2025, 6:54 a.m. |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:microsoft:windows_10_21h1:*:*:*:*:*:*:*:* | 10.0.19043.1288 | ||||
| cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* | 10.0.20348.288 | ||||
| cpe:2.3:o:microsoft:windows_10_2004:*:*:*:*:*:*:*:* | 10.0.19041.1288 | ||||
| cpe:2.3:o:microsoft:windows_server_2004:*:*:*:*:*:*:*:* | 10.0.19041.1288 | ||||
| cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:* | 10.0.19042.1288 | ||||
| cpe:2.3:o:microsoft:windows_server_20h2:*:*:*:*:*:*:*:* | 10.0.19042.1288 | ||||
| cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* | 10.0.22000.258 | ||||