Microsoft Windows Store Installer Elevation of Privilege Vulnerability
CVE-2019-1270 is fixed in 24 products on 1 platform, first by KB4516044, released September 10, 2019. It is not reported as exploited. Patch Radar priority: Routine.
<p>An elevation of privilege vulnerability exists in Windows store installer where WindowsApps directory is vulnerable to symbolic link attack. An attacker who successfully exploited this vulnerability could bypass access restrictions to add or remove files.</p> <p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and add or remove files.</p> <p>The security update addresses the vulnerability by not allowing reparse points in the WindowsApps directory.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.2045 | KB4516068 | Sep 10, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.2045 | KB4516068 | Sep 10, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1387 | KB4516066 | Sep 10, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1387 | KB4516066 | Sep 10, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1387 | KB4516066 | Sep 10, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | 18362.356 | KB4515384 | Sep 10, 2019 |
| Windows 10 Version 1903 for ARM64-based Systems | 18362.356 | KB4515384 | Sep 10, 2019 |
| Windows 10 Version 1903 for x64-based Systems | 18362.356 | KB4515384 | Sep 10, 2019 |
| Windows 10 for 32-bit Systems | 10240.18333 | KB4516070 | Sep 10, 2019 |
| Windows 10 for x64-based Systems | 10240.18333 | KB4516070 | Sep 10, 2019 |
| Windows Server 2016 | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3204 | KB4516044 | Sep 10, 2019 |
| Windows Server 2019 | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.737 | KB4512578 | Sep 10, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1006 | KB4516058 | Sep 10, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.356 | KB4515384 | Sep 10, 2019 |
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