CVE-2018-8134
Windows Elevation of Privilege Vulnerability
CVE-2018-8134 is fixed in 19 products on 1 platform, first by KB4103723, released May 8, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
7.0
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0293
87th 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 | 14393.2248 | KB4103723 | May 8, 2018 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2248 | KB4103723 | May 8, 2018 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1088 | KB4103731 | May 8, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1088 | KB4103731 | May 8, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.431 | KB4103727 | May 8, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.431 | KB4103727 | May 8, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.48 | KB4103721 | May 8, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.48 | KB4103721 | May 8, 2018 |
| Windows 10 for 32-bit Systems | 10240.17861 | KB4103716 | May 8, 2018 |
| Windows 10 for x64-based Systems | 10240.17861 | KB4103716 | May 8, 2018 |
| Windows 8.1 for 32-bit systems | KB4103725 | May 8, 2018 | |
| Windows 8.1 for 32-bit systems | KB4103715 | May 8, 2018 | |
| Windows 8.1 for x64-based systems | KB4103725 | May 8, 2018 | |
| Windows 8.1 for x64-based systems | KB4103715 | May 8, 2018 | |
| Windows RT 8.1 | KB4103725 | May 8, 2018 | |
| Windows Server 2012 R2 | KB4103725 | May 8, 2018 | |
| Windows Server 2012 R2 | KB4103715 | May 8, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4103725 | May 8, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4103715 | May 8, 2018 | |
| Windows Server 2016 | 14393.2248 | KB4103723 | May 8, 2018 |
| Windows Server 2016 (Server Core installation) | 14393.2248 | KB4103723 | May 8, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.431 | KB4103727 | May 8, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.48 | KB4103721 | May 8, 2018 |