Windows Security Feature Bypass Vulnerability
CVE-2020-16910 is fixed in 29 products on 1 platform, first by KB4580346, released October 13, 2020. It is not reported as exploited. Patch Radar priority: Routine.
<p>A security feature bypass vulnerability exists when Microsoft Windows fails to handle file creation permissions, which could allow an attacker to create files in a protected Unified Extensible Firmware Interface (UEFI) location.</p> <p>To exploit this vulnerability, an attacker could run a specially crafted application to bypass Unified Extensible Firmware Interface (UEFI) variable security in Windows.</p> <p>The security update addresses the vulnerability by correcting security feature behavior to enforce permissions.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.3986 | KB4580346 | Oct 13, 2020 |
| Windows 10 Version 1607 for x64-based Systems | 14393.3986 | KB4580346 | Oct 13, 2020 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.2166 | KB4580328 | Oct 13, 2020 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.2166 | KB4580328 | Oct 13, 2020 |
| Windows 10 Version 1709 for x64-based Systems | 16299.2166 | KB4580328 | Oct 13, 2020 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1792 | KB4580330 | Oct 13, 2020 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1792 | KB4580330 | Oct 13, 2020 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1792 | KB4580330 | Oct 13, 2020 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.1518 | KB4577668 | Oct 13, 2020 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.1518 | KB4577668 | Oct 13, 2020 |
| Windows 10 Version 1809 for x64-based Systems | 17763.1518 | KB4577668 | Oct 13, 2020 |
| Windows 10 Version 1903 for 32-bit Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 1903 for x64-based Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 1909 for 32-bit Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 1909 for ARM64-based Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 1909 for x64-based Systems | KB4577671 | Oct 13, 2020 | |
| Windows 10 Version 2004 for 32-bit Systems | 19041.572 | KB4579311 | Oct 13, 2020 |
| Windows 10 Version 2004 for ARM64-based Systems | 19041.572 | KB4579311 | Oct 13, 2020 |
| Windows 10 Version 2004 for x64-based Systems | 19041.572 | KB4579311 | Oct 13, 2020 |
| Windows 10 for 32-bit Systems | 10240.18725 | KB4580327 | Oct 13, 2020 |
| Windows 10 for x64-based Systems | 10240.18725 | KB4580327 | Oct 13, 2020 |
| Windows Server 2016 | 14393.3986 | KB4580346 | Oct 13, 2020 |
| Windows Server 2016 (Server Core installation) | 14393.3986 | KB4580346 | Oct 13, 2020 |
| Windows Server 2019 | 17763.1518 | KB4577668 | Oct 13, 2020 |
| Windows Server 2019 (Server Core installation) | 17763.1518 | KB4577668 | Oct 13, 2020 |
| Windows Server, version 1903 (Server Core installation) | KB4577671 | Oct 13, 2020 | |
| Windows Server, version 1909 (Server Core installation) | KB4577671 | Oct 13, 2020 | |
| Windows Server, version 2004 (Server Core installation) | 19041.572 | KB4579311 | Oct 13, 2020 |
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