CVE-2018-8121
Windows Kernel Information Disclosure Vulnerability
CVE-2018-8121 is fixed in 8 products on 1 platform, first by KB4284874, released June 12, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.
Urgent
CVSS
4.7
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0155
75th percentile
<p>An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.</p> <p>To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1703 for 32-bit Systems | 15063.1155 | KB4284874 | Jun 12, 2018 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1155 | KB4284874 | Jun 12, 2018 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.492 | KB4284819 | Jun 12, 2018 |
| Windows 10 Version 1709 for x64-based Systems | 16299.492 | KB4284819 | Jun 12, 2018 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.112 | KB4284835 | Jun 12, 2018 |
| Windows 10 Version 1803 for x64-based Systems | 17134.112 | KB4284835 | Jun 12, 2018 |
| Windows Server, version 1709 (Server Core Installation) | 16299.492 | KB4284819 | Jun 12, 2018 |
| Windows Server, version 1803 (Server Core Installation) | 17134.112 | KB4284835 | Jun 12, 2018 |