Windows Secure Boot Security Feature Bypass Vulnerability
CVE-2019-1368 is fixed in 13 products on 1 platform, first by KB4520008, released October 8, 2019. It is not reported as exploited. Patch Radar priority: Routine.
<p>A security feature bypass exists when Windows Secure Boot improperly restricts access to debugging functionality. An attacker who successfully exploited this vulnerability could disclose protected kernel memory.</p> <p>To exploit the vulnerability, an attacker must gain physical access to the target system prior to the next system reboot.</p> <p>The security update addresses the vulnerability by preventing access to certain debugging options when Windows Secure Boot is enabled.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1803 for 32-bit Systems | 17134.1069 | KB4520008 | Oct 8, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1069 | KB4520008 | Oct 8, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1069 | KB4520008 | Oct 8, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.805 | KB4519338 | Oct 8, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.805 | KB4519338 | Oct 8, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.805 | KB4519338 | Oct 8, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | 18362.418 | KB4517389 | Oct 8, 2019 |
| Windows 10 Version 1903 for ARM64-based Systems | 18362.418 | KB4517389 | Oct 8, 2019 |
| Windows 10 Version 1903 for x64-based Systems | 18362.418 | KB4517389 | Oct 8, 2019 |
| Windows Server 2019 | 17763.805 | KB4519338 | Oct 8, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.805 | KB4519338 | Oct 8, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1069 | KB4520008 | Oct 8, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.418 | KB4517389 | Oct 8, 2019 |
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