Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2017-8590 is fixed in 27 products on 1 platform, first by KB4025344, released July 11, 2017. 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 1511 for 32-bit Systems | 10586.1007 | KB4025344 | Jul 11, 2017 |
| Windows 10 Version 1511 for x64-based Systems | 10586.1007 | KB4025344 | Jul 11, 2017 |
| Windows 10 Version 1607 for 32-bit Systems | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows 10 Version 1607 for x64-based Systems | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.483 | KB4025342 | Jul 11, 2017 |
| Windows 10 Version 1703 for x64-based Systems | 15063.483 | KB4025342 | Jul 11, 2017 |
| Windows 10 for 32-bit Systems | 10240.17488 | KB4025338 | Jul 11, 2017 |
| Windows 10 for x64-based Systems | 10240.17488 | KB4025338 | Jul 11, 2017 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows 8.1 for 32-bit systems | KB4025333 | Jul 11, 2017 | |
| Windows 8.1 for 32-bit systems | KB4025336 | Jul 11, 2017 | |
| Windows 8.1 for x64-based systems | KB4025333 | Jul 11, 2017 | |
| Windows 8.1 for x64-based systems | KB4025336 | Jul 11, 2017 | |
| Windows RT 8.1 | KB4025336 | Jul 11, 2017 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4025341 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4025337 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4025341 | Jul 11, 2017 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4025337 | Jul 11, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4026059 | Jul 11, 2017 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4026059 | Jul 11, 2017 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4026059 | Jul 11, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4026059 | Jul 11, 2017 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4026059 | Jul 11, 2017 | |
| Windows Server 2012 | KB4025343 | Jul 11, 2017 | |
| Windows Server 2012 | KB4025331 | Jul 11, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4025343 | Jul 11, 2017 | |
| Windows Server 2012 (Server Core installation) | KB4025331 | Jul 11, 2017 | |
| Windows Server 2012 R2 | KB4025333 | Jul 11, 2017 | |
| Windows Server 2012 R2 | KB4025336 | Jul 11, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4025333 | Jul 11, 2017 | |
| Windows Server 2012 R2 (Server Core installation) | KB4025336 | Jul 11, 2017 | |
| Windows Server 2016 | 14393.1480 | KB4025339 | Jul 11, 2017 |
| Windows Server 2016 (Server Core installation) | 14393.1480 | KB4025339 | Jul 11, 2017 |