CVE-2026-27913— Windows BitLocker Security Feature Bypass Vulnerability
Quick assessment
Affected
Microsoft Windows Server 2012
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Microsoft Windows BitLocker是美国微软（Microsoft）公司的BitLocker 确保在激活保护之前安全备份恢复密钥。 Microsoft Windows BitLocker存在输入验证错误漏洞。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 Server 2012 R2,Windows Server 2012 R2 (Server Core installation),Windows Server 2022 (Server Core install
Possible ATT&CK Techniques 1 AI
T1562.001Affected Version Matrix 10
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0< 6.2.9200.26026 |
affected |
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0< 6.2.9200.26026 |
affected |
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0< 6.3.9600.23132 |
affected |
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0< 6.3.9600.23132 |
affected |
| Microsoft | Windows Server 2016 | 10.0.14393.0< 10.0.14393.9060 |
affected |
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0< 10.0.14393.9060 |
affected |
| Microsoft | Windows Server 2019 | 10.0.17763.0< 10.0.17763.8644 |
affected |
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0< 10.0.17763.8644 |
affected |
| Microsoft | Windows Server 2022 | 10.0.20348.0< 10.0.20348.5020 |
affected |
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0< 10.0.25398.2274 |
affected |
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I. Basic Information for CVE-2026-27913
Vulnerability Information
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Vulnerability Title
Windows BitLocker Security Feature Bypass Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper input validation in Windows BitLocker allows an unauthorized attacker to bypass a security feature locally.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows BitLocker 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows BitLocker是美国微软（Microsoft）公司的BitLocker 确保在激活保护之前安全备份恢复密钥。 Microsoft Windows BitLocker存在输入验证错误漏洞。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 Server 2012 R2,Windows Server 2012 R2 (Server Core installation),Windows Server 2022 (Server Core install
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Windows Server 2012 | 6.2.9200.0 ~ 6.2.9200.26026 | - |
|
| Microsoft | Windows Server 2012 (Server Core installation) | 6.2.9200.0 ~ 6.2.9200.26026 | - |
|
| Microsoft | Windows Server 2012 R2 | 6.3.9600.0 ~ 6.3.9600.23132 | - |
|
| Microsoft | Windows Server 2012 R2 (Server Core installation) | 6.3.9600.0 ~ 6.3.9600.23132 | - |
|
| Microsoft | Windows Server 2016 | 10.0.14393.0 ~ 10.0.14393.9060 | - |
|
| Microsoft | Windows Server 2016 (Server Core installation) | 10.0.14393.0 ~ 10.0.14393.9060 | - |
|
| Microsoft | Windows Server 2019 | 10.0.17763.0 ~ 10.0.17763.8644 | - |
|
| Microsoft | Windows Server 2019 (Server Core installation) | 10.0.17763.0 ~ 10.0.17763.8644 | - |
|
| Microsoft | Windows Server 2022 | 10.0.20348.0 ~ 10.0.20348.5020 | - |
|
| Microsoft | Windows Server 2022, 23H2 Edition (Server Core installation) | 10.0.25398.0 ~ 10.0.25398.2274 | - |
|
II. Public POCs for CVE-2026-27913
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-27913 (1)
Same Patch Batch · Microsoft · 2026-04-14 · 163 CVEs total
| CVE-2026-33824 | 9.8 CRITICAL | Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability |
| CVE-2026-26149 | 9.0 CRITICAL | Microsoft Power Apps Desktop Client Spoofing Vulnerability |
| CVE-2026-26178 | 8.8 HIGH | Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability |
| CVE-2026-33120 | 8.8 HIGH | Microsoft SQL Server Remote Code Execution Vulnerability |
| CVE-2026-32157 | 8.8 HIGH | Remote Desktop Client Remote Code Execution Vulnerability |
| CVE-2026-32171 | 8.8 HIGH | Azure Logic Apps Elevation of Privilege Vulnerability |
| CVE-2026-32225 | 8.8 HIGH | Windows Shell Security Feature Bypass Vulnerability |
| CVE-2026-26167 | 8.8 HIGH | Windows Push Notifications Elevation of Privilege Vulnerability |
| CVE-2026-27928 | 8.7 HIGH | Windows Hello Security Feature Bypass Vulnerability |
| CVE-2026-33115 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-32221 | 8.4 HIGH | Windows Graphics Component Remote Code Execution Vulnerability |
| CVE-2026-32091 | 8.4 HIGH | Microsoft Brokering File System Elevation of Privilege Vulnerability |
| CVE-2026-32162 | 8.4 HIGH | Windows COM Elevation of Privilege Vulnerability |
| CVE-2026-32190 | 8.4 HIGH | Microsoft Office Remote Code Execution Vulnerability |
| CVE-2026-33114 | 8.4 HIGH | Microsoft Word Remote Code Execution Vulnerability |
| CVE-2026-33827 | 8.1 HIGH | Windows TCP/IP Remote Code Execution Vulnerability |
| CVE-2026-33826 | 8.0 HIGH | Windows Active Directory Remote Code Execution Vulnerability |
| CVE-2026-27912 | 8.0 HIGH | Windows Kerberos Elevation of Privilege Vulnerability |
| CVE-2026-33098 | 7.8 HIGH | Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability |
| CVE-2026-32222 | 7.8 HIGH | Windows Win32k Elevation of Privilege Vulnerability |
Showing top 20 of 163 CVEs. View all on vendor page → →
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V. Comments for CVE-2026-27913
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