CVE-2018-8566
BitLocker Security Feature Bypass Vulnerability
CVE-2018-8566 is fixed in 19 products on 1 platform, first by KB4465659, released November 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.
RoutinePublicly disclosed
CVSS
4.6
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0106
64th percentile
<p>A security feature bypass vulnerability exists when Windows improperly suspends BitLocker Device Encryption. An attacker with physical access to a powered off system could exploit this vulnerability to gain access to encrypted data.</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 fixes the vulnerability by ensuring Windows resumes BitLocker Device Encryption.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | KB4465659 | Nov 13, 2018 | |
| Windows 10 Version 1607 for x64-based Systems | KB4465659 | Nov 13, 2018 | |
| Windows 10 Version 1703 for 32-bit Systems | KB4465660 | Nov 13, 2018 | |
| Windows 10 Version 1703 for x64-based Systems | KB4465660 | Nov 13, 2018 | |
| Windows 10 Version 1709 for 32-bit Systems | KB4465661 | Nov 13, 2018 | |
| Windows 10 Version 1709 for ARM64-based Systems | KB4465661 | Nov 13, 2018 | |
| Windows 10 Version 1709 for x64-based Systems | KB4465661 | Nov 13, 2018 | |
| Windows 10 Version 1803 for 32-bit Systems | KB4465663 | Nov 13, 2018 | |
| Windows 10 Version 1803 for ARM64-based Systems | KB4465663 | Nov 13, 2018 | |
| Windows 10 Version 1803 for x64-based Systems | KB4465663 | Nov 13, 2018 | |
| Windows 10 Version 1809 for 32-bit Systems | KB4465664 | Nov 13, 2018 | |
| Windows 10 Version 1809 for ARM64-based Systems | KB4465664 | Nov 13, 2018 | |
| Windows 10 Version 1809 for x64-based Systems | KB4465664 | Nov 13, 2018 | |
| Windows Server 2016 | KB4465659 | Nov 13, 2018 | |
| Windows Server 2016 (Server Core installation) | KB4465659 | Nov 13, 2018 | |
| Windows Server 2019 | KB4465664 | Nov 13, 2018 | |
| Windows Server 2019 (Server Core installation) | KB4465664 | Nov 13, 2018 | |
| Windows Server, version 1709 (Server Core Installation) | KB4465661 | Nov 13, 2018 | |
| Windows Server, version 1803 (Server Core Installation) | KB4465663 | Nov 13, 2018 | |