CVE-2018-8455
Windows Kernel Elevation of Privilege Vulnerability
CVE-2018-8455 is fixed in 17 products on 1 platform, first by KB4457138, released September 11, 2018. It is not reported as exploited. Patch Radar priority: High.
High
CVSS
7.0
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0109
65th percentile
<p>An elevation of privilege vulnerability exists in the way that the Windows Kernel handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.</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 ensuring the Windows Kernel properly handles objects in memory.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows 10 Version 1607 for x64-based Systems | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1324 | KB4457138 | Sep 11, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.285 | KB4457128 | Sep 11, 2018 |
| Windows 8.1 for 32-bit systems | KB4598285 | Jan 12, 2021 | |
| Windows 8.1 for 32-bit systems | KB4598275 | Jan 12, 2021 | |
| Windows 8.1 for x64-based systems | KB4598285 | Jan 12, 2021 | |
| Windows 8.1 for x64-based systems | KB4598275 | Jan 12, 2021 | |
| Windows RT 8.1 | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 | KB4598275 | Jan 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB4598285 | Jan 12, 2021 | |
| Windows Server 2012 R2 (Server Core installation) | KB4598275 | Jan 12, 2021 | |
| Windows Server 2016 | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows Server 2016 (Server Core installation) | 14393.4169 | KB4598243 | Jan 12, 2021 |
| Windows Server, version 1709 (Server Core Installation) | 16299.665 | KB4457142 | Sep 11, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.285 | KB4457128 | Sep 11, 2018 |