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CVE-2021-26442— Microsoft Windows 权限许可和访问控制问题漏洞

一分钟漏洞结论

影响对象
Microsoft Windows 10 Version 1809
利用判断
尚无明确在野利用证据,仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本;无法立即升级时,限制受影响服务暴露并加强监测。

Microsoft HTTP.sys是美国微软(Microsoft)公司的一个应用协议。HTTP应用协议。 Microsoft HTTP.sys 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响:Windows Server version 20H2 (Server Core Installation),Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems等。

CVSS 7.0 · High EPSS 0.79% · P54
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一、 漏洞 CVE-2021-26442 基础信息

漏洞信息

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Vulnerability Title
Windows HTTP.sys Elevation of Privilege Vulnerability
来源: CVE Program / CVE List V5
Vulnerability Description
Windows HTTP.sys Elevation of Privilege Vulnerability
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows 权限许可和访问控制问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Microsoft HTTP.sys是美国微软(Microsoft)公司的一个应用协议。HTTP应用协议。 Microsoft HTTP.sys 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响:Windows Server version 20H2 (Server Core Installation),Windows 11 for x64-based Systems,Windows 11 for ARM64-based Systems等。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商 产品 影响版本 CPE 订阅
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 7 6.1.0 ~ 6.1.7601.25740 cpe:2.3:o:microsoft:windows_7:6.1.7601.25740:sp1:*:*:*:*:x86:*
Microsoft Windows 7 Service Pack 1 6.1.0 ~ 6.1.7601.25740 cpe:2.3:o:microsoft:windows_7:6.1.7601.25740:sp1:*:*:*:*:x64:*
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 2008 Service Pack 2 6.0.0 ~ 6.0.6003.21251 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21251:*:*:*:*:*:x64:*
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.0 ~ 6.0.6003.21251 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21251:*:*:*:*:*:x64:*
Microsoft Windows Server 2008 Service Pack 2 6.0.0 ~ 6.0.6003.21251 cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21251:*:*:*:*:*:x86:*
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.0 ~ 6.1.7601.25740 cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25740:*:*:*:*:*:x64:*
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 ~ 6.1.7601.25740 cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25740:*:*:*:*:*:x64:*
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:*

二、漏洞 CVE-2021-26442 的公开POC

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三、漏洞 CVE-2021-26442 的情报信息

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CVE-2021-26442 厂商安全公告 (1)

同批安全公告 · Microsoft · 2021-10-13 · 共 71 条

CVE-2021-26427 9.0 CRITICAL Microsoft Exchange Server 权限许可和访问控制问题漏洞
CVE-2021-36970 8.8 HIGH Microsoft Windows Print Spooler Components 安全漏洞
CVE-2021-41344 8.1 HIGH Microsoft SharePoint 代码注入漏洞
CVE-2021-40487 8.1 HIGH Microsoft SharePoint 代码注入漏洞
CVE-2021-41348 8.0 HIGH Microsoft Exchange Server 权限许可和访问控制问题漏洞
CVE-2021-40461 8.0 HIGH Microsoft Hyper-V 代码注入漏洞
CVE-2021-38672 8.0 HIGH Microsoft Hyper-V 代码注入漏洞
CVE-2021-40464 8.0 HIGH Microsoft Windows 权限许可和访问控制问题漏洞
CVE-2021-40450 7.8 HIGH Microsoft Win32k 权限许可和访问控制问题漏洞
CVE-2021-40462 7.8 HIGH Microsoft Windows Codecs Library 代码注入漏洞
CVE-2021-40449 7.8 HIGH Microsoft Win32k 资源管理错误漏洞
CVE-2021-40473 7.8 HIGH Microsoft Excel 代码注入漏洞
CVE-2021-40474 7.8 HIGH Microsoft Excel 代码注入漏洞
CVE-2021-40477 7.8 HIGH Microsoft Windows Event Tracing 权限许可和访问控制问题漏洞
CVE-2021-40478 7.8 HIGH Microsoft Windows Storage Spaces Controller 权限许可和访问控制问题漏洞
CVE-2021-40480 7.8 HIGH Microsoft Office Visio 代码注入漏洞
CVE-2021-40485 7.8 HIGH Microsoft Excel 代码注入漏洞
CVE-2021-40486 7.8 HIGH Microsoft Word 代码注入漏洞
CVE-2021-40479 7.8 HIGH Microsoft Excel 代码注入漏洞
CVE-2021-40467 7.8 HIGH Microsoft Windows Common Log File System Driver 权限许可和访问控制问题漏洞

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IV. Related Vulnerabilities

V. Comments for CVE-2021-26442

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