CVE-2018-8239

Windows GDI Information Disclosure Vulnerability

CVE-2018-8239 is fixed in 12 products on 1 platform, first by KB4284880, released June 12, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

Urgent
CVSS
4.4
Important
Exploitation
More likely
Vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.5729
99th percentile

<p>An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p> <p>There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.</p> <p>The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.</p>

Where it's fixed

ProductFixed inFixReleased
Microsoft
Windows 10 Version 1607 for 32-bit Systems 14393.2312 KB4284880 Jun 12, 2018
Windows 10 Version 1607 for x64-based Systems 14393.2312 KB4284880 Jun 12, 2018
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 2016 14393.2312 KB4284880 Jun 12, 2018
Windows Server 2016 (Server Core installation) 14393.2312 KB4284880 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