CVE-2018-8394

Windows GDI Information Disclosure Vulnerability

CVE-2018-8394 is fixed in 31 products on 1 platform, first by KB4343887, released August 14, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
4.7
Important
Exploitation
None reported
Exploitation Less Likely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0851
95th 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 14393.2430 KB4343887 Aug 14, 2018
Windows 10 Version 1607 for x64-based Systems 14393.2430 KB4343887 Aug 14, 2018
Windows 10 Version 1703 for 32-bit Systems 15063.1266 KB4343885 Aug 14, 2018
Windows 10 Version 1703 for x64-based Systems 15063.1266 KB4343885 Aug 14, 2018
Windows 10 Version 1709 for 32-bit Systems 16299.611 KB4343897 Aug 14, 2018
Windows 10 Version 1709 for x64-based Systems 16299.611 KB4343897 Aug 14, 2018
Windows 10 Version 1803 for 32-bit Systems 17134.228 KB4343909 Aug 14, 2018
Windows 10 Version 1803 for x64-based Systems 17134.228 KB4343909 Aug 14, 2018
Windows 10 for 32-bit Systems 10240.17946 KB4343892 Aug 14, 2018
Windows 10 for x64-based Systems 10240.17946 KB4343892 Aug 14, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4343899 Aug 14, 2018
Windows 7 for 32-bit Systems Service Pack 1 KB4343900 Aug 14, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4343899 Aug 14, 2018
Windows 7 for x64-based Systems Service Pack 1 KB4343900 Aug 14, 2018
Windows 8.1 for 32-bit systems KB4343888 Aug 14, 2018
Windows 8.1 for 32-bit systems KB4343898 Aug 14, 2018
Windows 8.1 for x64-based systems KB4343888 Aug 14, 2018
Windows 8.1 for x64-based systems KB4343898 Aug 14, 2018
Windows RT 8.1 KB4343898 Aug 14, 2018
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4343899 Aug 14, 2018
Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 KB4343900 Aug 14, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4343899 Aug 14, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 KB4343900 Aug 14, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4343899 Aug 14, 2018
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) KB4343900 Aug 14, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 KB4343674 Aug 14, 2018
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) KB4343674 Aug 14, 2018
Windows Server 2008 for Itanium-Based Systems Service Pack 2 KB4343674 Aug 14, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 KB4343674 Aug 14, 2018
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) KB4343674 Aug 14, 2018
Windows Server 2012 KB4343896 Aug 14, 2018
Windows Server 2012 KB4343901 Aug 14, 2018
Windows Server 2012 (Server Core installation) KB4343896 Aug 14, 2018
Windows Server 2012 (Server Core installation) KB4343901 Aug 14, 2018
Windows Server 2012 R2 KB4343888 Aug 14, 2018
Windows Server 2012 R2 KB4343898 Aug 14, 2018
Windows Server 2012 R2 (Server Core installation) KB4343888 Aug 14, 2018
Windows Server 2012 R2 (Server Core installation) KB4343898 Aug 14, 2018
Windows Server 2016 14393.2430 KB4343887 Aug 14, 2018
Windows Server 2016 (Server Core installation) 14393.2430 KB4343887 Aug 14, 2018
Windows Server, version 1709 (Server Core Installation) 16299.611 KB4343897 Aug 14, 2018
Windows Server, version 1803 (Server Core Installation) 17134.228 KB4343909 Aug 14, 2018