CVE-2025-21211 Details
Description
Secure Boot Security Feature Bypass Vulnerability
A security feature bypass vulnerability has been identified in Microsoft Secure Boot. This vulnerability allows an attacker to bypass the Secure Boot mechanism, which is designed to ensure that only trusted software is loaded during the boot process. The issue affects several versions of Windows, including Windows Server 2012, Windows Server 2016, Windows 10, Windows 11, and Windows Server 2022. The vulnerability arises from a failure in the protection mechanism, allowing for unauthorized modifications to the boot process.
Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates are available through the Microsoft Update Catalog.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jan 15, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21211 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| NVD-CWE-noinfo | Insufficient Information to Classify Weakness | [email protected] |
| CWE-693 | Protection Mechanism Failure | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1507 | < 10.0.10240.20890 |
CPE
Remediation
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| microsoft windows 10 1607 | < 10.0.14393.7699 |
CPE
Remediation
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| microsoft windows 10 1809 | < 10.0.17763.6775 |
CPE
Remediation
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| microsoft windows 10 21h2 | < 10.0.19044.5371 |
CPE
Remediation
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| microsoft windows 10 22h2 | < 10.0.19045.5371 |
CPE
Remediation
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| microsoft windows 11 22h2 | < 10.0.22621.4751 |
CPE
Remediation
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| microsoft windows 11 23h2 | < 10.0.22631.4751 |
CPE
Remediation
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| microsoft windows 11 24h2 | < 10.0.26100.2894 |
CPE
Remediation
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| microsoft windows server 2012 | r2 |
CPE
Remediation
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| microsoft windows server 2016 | < 10.0.14393.7699 |
CPE
Remediation
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| microsoft windows server 2019 | < 10.0.17763.6775 |
CPE
Remediation
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| microsoft windows server 2022 | < 10.0.20348.3091 |
CPE
Remediation
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| microsoft windows server 2022 23h2 | < 10.0.25398.1369 |
CPE
Remediation
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| microsoft windows server 2025 | < 10.0.26100.2894 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jan 27, 2025 | Initial Analysis | [email protected] |
| Jan 14, 2025 | New CVE Received | [email protected] |