CVE-2018-8313
Windows Elevation of Privilege Vulnerability
CVE-2018-8313 is fixed in 21 products on 1 platform, first by KB4338814, released July 10, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
UrgentPublicly disclosed
CVSS
7.8
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0131
70th percentile
<p>An elevation of privilege vulnerability exists in the way that the Windows Kernel API enforces permissions. An attacker who successfully exploited the vulnerability could impersonate processes, interject cross-process communication, or interrupt system functionality.</p> <p>To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.</p> <p>The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly enforces permissions.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Windows 10 Version 1607 for 32-bit Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1209 | KB4345419 | Jul 16, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1206 | KB4338826 | Jul 10, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.551 | KB4345420 | Jul 16, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.547 | KB4338825 | Jul 10, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.167 | KB4345421 | Jul 16, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.165 | KB4338819 | Jul 10, 2018 |
| Windows 10 for 32-bit Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Windows 10 for 32-bit Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Windows 10 for x64-based Systems | 10240.17918 | KB4345455 | Jul 16, 2018 |
| Windows 10 for x64-based Systems | 10240.17914 | KB4338829 | Jul 10, 2018 |
| Windows 8.1 for 32-bit systems | KB4338824 | Jul 19, 2018 | |
| Windows 8.1 for 32-bit systems | KB4338815 | Jul 10, 2018 | |
| Windows 8.1 for 32-bit systems | KB4338831 | Jul 10, 2018 | |
| Windows 8.1 for 32-bit systems | KB4345424 | Jul 10, 2018 | |
| Windows 8.1 for x64-based systems | KB4338824 | Jul 19, 2018 | |
| Windows 8.1 for x64-based systems | KB4338815 | Jul 10, 2018 | |
| Windows 8.1 for x64-based systems | KB4338831 | Jul 10, 2018 | |
| Windows 8.1 for x64-based systems | KB4345424 | Jul 10, 2018 | |
| Windows RT 8.1 | KB4338815 | Jul 10, 2018 | |
| Windows Server 2012 | KB4338820 | Jul 19, 2018 | |
| Windows Server 2012 | KB4338830 | Jul 10, 2018 | |
| Windows Server 2012 | KB4338816 | Jul 10, 2018 | |
| Windows Server 2012 | KB4345425 | Jul 10, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4338820 | Jul 19, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4338830 | Jul 10, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4338816 | Jul 10, 2018 | |
| Windows Server 2012 (Server Core installation) | KB4345425 | Jul 10, 2018 | |
| Windows Server 2012 R2 | KB4338824 | Jul 19, 2018 | |
| Windows Server 2012 R2 | KB4338815 | Jul 10, 2018 | |
| Windows Server 2012 R2 | KB4338831 | Jul 10, 2018 | |
| Windows Server 2012 R2 | KB4345424 | Jul 10, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4338824 | Jul 19, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4338815 | Jul 10, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4338831 | Jul 10, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4345424 | Jul 10, 2018 | |
| Windows Server 2016 | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Windows Server 2016 | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2368 | KB4345418 | Jul 16, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2363 | KB4338814 | Jul 10, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.551 | KB4345420 | Jul 16, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.547 | KB4338825 | Jul 10, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.167 | KB4345421 | Jul 16, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.165 | KB4338819 | Jul 10, 2018 |