Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2019-0959 is fixed in 13 products on 1 platform, first by KB4503286, released June 11, 2019. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
<p>An elevation of privilege vulnerability exists when the <a href="https://technet.microsoft.com/library/security/dn848375.aspx#CLFS">Windows Common Log File System (CLFS)</a> driver improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run processes in an elevated context.</p> <p>To exploit the vulnerability, an attacker would first have to log on to the system, and then run a specially crafted application to take control over the affected system.</p> <p>The security update addresses the vulnerability by correcting how CLFS handles objects in memory.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1803 for 32-bit Systems | 17134.829 | KB4503286 | Jun 11, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.829 | KB4503286 | Jun 11, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.829 | KB4503286 | Jun 11, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.557 | KB4503327 | Jun 11, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.557 | KB4503327 | Jun 11, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.557 | KB4503327 | Jun 11, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | 18362.175 | KB4503293 | Jun 11, 2019 |
| Windows 10 Version 1903 for ARM64-based Systems | 18362.175 | KB4503293 | Jun 11, 2019 |
| Windows 10 Version 1903 for x64-based Systems | 18362.175 | KB4503293 | Jun 11, 2019 |
| Windows Server 2019 | 17763.557 | KB4503327 | Jun 11, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.557 | KB4503327 | Jun 11, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.829 | KB4503286 | Jun 11, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.175 | KB4503293 | Jun 11, 2019 |
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