Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2018-0846 is fixed in 30 products on 1 platform, first by KB4074591, released February 13, 2018. 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 | 10586.1417 | KB4074591 | Feb 13, 2018 |
| Windows 10 Version 1511 for x64-based Systems | 10586.1417 | KB4074591 | Feb 13, 2018 |
| Windows 10 Version 1607 for 32-bit Systems | 14393.2068 | KB4074590 | Feb 13, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2068 | KB4074590 | Feb 13, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.909 | KB4074592 | Feb 13, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.909 | KB4074592 | Feb 13, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.248 | KB4074588 | Feb 13, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.248 | KB4074588 | Feb 13, 2018 |
| Windows 10 for 32-bit Systems | 10240.17770 | KB4074596 | Feb 13, 2018 |
| Windows 10 for x64-based Systems | 10240.17770 | KB4074596 | Feb 13, 2018 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4074598 | Feb 13, 2018 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4074587 | Feb 13, 2018 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4074598 | Feb 13, 2018 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4074587 | Feb 13, 2018 | |
| Windows 8.1 for 32-bit systems | KB4074597 | Feb 13, 2018 | |
| Windows 8.1 for 32-bit systems | KB4074594 | Feb 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4074597 | Feb 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4074594 | Feb 13, 2018 | |
| Windows RT 8.1 | KB4074594 | Feb 13, 2018 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4074598 | Feb 13, 2018 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4074587 | Feb 13, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4074598 | Feb 13, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4074587 | Feb 13, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4074598 | Feb 13, 2018 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4074587 | Feb 13, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4073079 | Feb 13, 2018 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4073079 | Feb 13, 2018 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4073079 | Feb 13, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4073079 | Feb 13, 2018 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4073079 | Feb 13, 2018 | |
| Windows Server 2012 | KB4074593 | Feb 13, 2018 | |
| Windows Server 2012 | KB4074589 | Feb 13, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4074593 | Feb 13, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4074589 | Feb 13, 2018 | |
| Windows Server 2012 R2 | KB4074597 | Feb 13, 2018 | |
| Windows Server 2012 R2 | KB4074594 | Feb 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4074597 | Feb 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4074594 | Feb 13, 2018 | |
| Windows Server 2016 | 14393.2068 | KB4074590 | Feb 13, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2068 | KB4074590 | Feb 13, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.248 | KB4074588 | Feb 13, 2018 |
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