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

ProductFixed inFixReleased
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