Windows Security Feature Bypass Vulnerability
CVE-2019-0631 is fixed in 21 products on 1 platform, first by KB4487026, released February 12, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>A security feature bypass vulnerability exists in Windows which could allow an attacker to bypass Device Guard. An attacker who successfully exploited this vulnerability could circumvent a User Mode Code Integrity (UMCI) policy on the machine.</p> <p>To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.</p> <p>The update addresses the vulnerability by correcting how Windows validates User Mode Code Integrity policies.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2791 | KB4487026 | Feb 12, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2791 | KB4487026 | Feb 12, 2019 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1631 | KB4487020 | Feb 12, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1631 | KB4487020 | Feb 12, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.967 | KB4486996 | Feb 12, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.967 | KB4486996 | Feb 12, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.967 | KB4486996 | Feb 12, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.590 | KB4487017 | Feb 12, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.590 | KB4487017 | Feb 12, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.590 | KB4487017 | Feb 12, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.316 | KB4487044 | Feb 12, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.316 | KB4487044 | Feb 12, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.316 | KB4487044 | Feb 12, 2019 |
| Windows 10 for 32-bit Systems | 10240.18132 | KB4487018 | Feb 12, 2019 |
| Windows 10 for x64-based Systems | 10240.18132 | KB4487018 | Feb 12, 2019 |
| Windows Server 2016 | 14393.2791 | KB4487026 | Feb 12, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.2791 | KB4487026 | Feb 12, 2019 |
| Windows Server 2019 | 17763.316 | KB4487044 | Feb 12, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.316 | KB4487044 | Feb 12, 2019 |
| Windows Server, version 1709 (Server Core Installation) | 16299.967 | KB4486996 | Feb 12, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.590 | KB4487017 | Feb 12, 2019 |
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