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CVE-2026-21265— Microsoft Windows Secure Boot 安全漏洞

CVSS 6.4 · Medium EPSS 0.97% · P57
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一、 漏洞 CVE-2026-21265 基础信息

漏洞信息

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Vulnerability Title
Secure Boot Certificate Expiration Security Feature Bypass Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
Windows Secure Boot stores Microsoft certificates in the UEFI KEK and DB. These original certificates are approaching expiration, and devices containing affected certificate versions must update them to maintain Secure Boot functionality and avoid compromising security by losing security fixes related to Windows boot manager or Secure Boot. The operating system’s certificate update protection mechanism relies on firmware components that might contain defects, which can cause certificate trust updates to fail or behave unpredictably. This leads to potential disruption of the Secure Boot trust chain and requires careful validation and deployment to restore intended security guarantees. Certificate Authority (CA) Location Purpose Expiration Date Microsoft Corporation KEK CA 2011 KEK Signs updates to the DB and DBX 06/24/2026 Microsoft Corporation UEFI CA 2011 DB Signs 3rd party boot loaders, Option ROMs, etc. 06/27/2026 Microsoft Windows Production PCA 2011 DB Signs the Windows Boot Manager 10/19/2026 For more information see this CVE and Windows Secure Boot certificate expiration and CA updates.
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
CWE-1329
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Microsoft Windows Secure Boot 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Microsoft Windows Secure Boot是美国微软(Microsoft)公司的安全启动。 Microsoft Windows Secure Boot存在安全漏洞。攻击者利用该漏洞可以绕过某些功能。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 Server 2019,Windows Server 2019 (Server
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
MicrosoftWindows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows 10 Version 21H2 10.0.19044.0 ~ 10.0.19044.6809 -
MicrosoftWindows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.6809 -
MicrosoftWindows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.6491 -
MicrosoftWindows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.6491 -
MicrosoftWindows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.7623 -
MicrosoftWindows 11 Version 25H2 10.0.26200.0 ~ 10.0.26200.7623 -
MicrosoftWindows Server 2012 6.2.9200.0 ~ 6.2.9200.25868 -
MicrosoftWindows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25868 -
MicrosoftWindows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22968 -
MicrosoftWindows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22968 -
MicrosoftWindows Server 2016 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.8783 -
MicrosoftWindows Server 2019 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.8276 -
MicrosoftWindows Server 2022 10.0.20348.0 ~ 10.0.20348.4648 -
MicrosoftWindows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.2092 -
MicrosoftWindows Server 2025 10.0.26100.0 ~ 10.0.26100.32230 -
MicrosoftWindows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.32230 -

二、漏洞 CVE-2026-21265 的公开POC

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三、漏洞 CVE-2026-21265 的情报信息

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同批安全公告 · Microsoft · 2026-01-13 · 共 112 条

CVE-2026-209639.8 CRITICALMicrosoft SharePoint 代码问题漏洞
CVE-2026-209478.8 HIGHMicrosoft SharePoint SQL注入漏洞
CVE-2026-208688.8 HIGHMicrosoft Windows Routing and Remote Access Service 安全漏洞
CVE-2026-209528.4 HIGHMicrosoft Office 资源管理错误漏洞
CVE-2026-209448.4 HIGHMicrosoft Word 缓冲区错误漏洞
CVE-2026-209538.4 HIGHMicrosoft Office 资源管理错误漏洞
CVE-2026-208568.1 HIGHMicrosoft Windows 输入验证错误漏洞
CVE-2026-209318.0 HIGHMicrosoft Windows Telephony Server 安全漏洞
CVE-2026-208577.8 HIGHMicrosoft Windows Cloud Files Mini Filter Driver 安全漏洞
CVE-2026-209247.8 HIGHMicrosoft Windows 资源管理错误漏洞
CVE-2026-209227.8 HIGHMicrosoft Windows NTFS 安全漏洞
CVE-2026-208437.8 HIGHMicrosoft Windows Routing and Remote Access Service 访问控制错误漏洞
CVE-2026-209207.8 HIGHMicrosoft Win32k 资源管理错误漏洞
CVE-2026-208377.8 HIGHMicrosoft Windows Media 安全漏洞
CVE-2026-212247.8 HIGHMicrosoft Azure Connected Machine Agent 安全漏洞
CVE-2026-208407.8 HIGHMicrosoft Windows NTFS 安全漏洞
CVE-2026-209567.8 HIGHMicrosoft Excel 安全漏洞
CVE-2026-208777.8 HIGHMicrosoft Windows 资源管理错误漏洞
CVE-2026-209517.8 HIGHMicrosoft SharePoint 输入验证错误漏洞
CVE-2026-209467.8 HIGHMicrosoft Excel 缓冲区错误漏洞

显示前 20 条,共 112 条。 查看全部 → →

IV. Related Vulnerabilities

V. Comments for CVE-2026-21265

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