Windows AppX Deployment Extensions Elevation of Privilege Vulnerability
CVE-2019-1385 is fixed in 16 products on 1 platform, first by KB4525241, released November 12, 2019. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022, with known ransomware use. Patch Radar priority: Patch now.
<p>An elevation of privilege vulnerability exists when the Windows AppX Deployment Extensions improperly performs privilege management, resulting in access to system files.</p> <p>To exploit this vulnerability, an authenticated attacker would need to run a specially crafted application to elevate privileges.</p> <p>The security update addresses the vulnerability by correcting how AppX Deployment Extensions manages privileges.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1709 for 32-bit Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1508 | KB4525241 | Nov 12, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | KB4524570 | Nov 12, 2019 | |
| Windows 10 Version 1903 for ARM64-based Systems | KB4524570 | Nov 12, 2019 | |
| Windows 10 Version 1903 for x64-based Systems | KB4524570 | Nov 12, 2019 | |
| Windows Server 2019 | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.864 | KB4523205 | Nov 12, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.1130 | KB4525237 | Nov 12, 2019 |
| Windows Server, version 1903 (Server Core installation) | KB4524570 | Nov 12, 2019 | |
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