# CVE-2018-8595: Windows GDI Information Disclosure Vulnerability CVE-2018-8595 is fixed in 38 products on 1 platform, first by KB4471321, released December 11, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent. - Web page: https://patchblox.com/security/cve/CVE-2018-8595 - Priority: Urgent - CVSS: 4.7 (Important) - EPSS: 0.0692 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation More Likely - Published: Dec 11, 2018 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8595 ## Description

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.

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.

The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.2665 | [KB4471321](https://patchblox.com/security/data/fix/microsoft/kb4471321.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.2665 | [KB4471321](https://patchblox.com/security/data/fix/microsoft/kb4471321.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1506 | [KB4471327](https://patchblox.com/security/data/fix/microsoft/kb4471327.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1506 | [KB4471327](https://patchblox.com/security/data/fix/microsoft/kb4471327.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.846 | [KB4471329](https://patchblox.com/security/data/fix/microsoft/kb4471329.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.846 | [KB4471329](https://patchblox.com/security/data/fix/microsoft/kb4471329.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.846 | [KB4471329](https://patchblox.com/security/data/fix/microsoft/kb4471329.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.471 | [KB4471324](https://patchblox.com/security/data/fix/microsoft/kb4471324.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.471 | [KB4471324](https://patchblox.com/security/data/fix/microsoft/kb4471324.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.471 | [KB4471324](https://patchblox.com/security/data/fix/microsoft/kb4471324.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.194 | [KB4471332](https://patchblox.com/security/data/fix/microsoft/kb4471332.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.194 | [KB4471332](https://patchblox.com/security/data/fix/microsoft/kb4471332.md) | Dec 11, 2018 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.194 | [KB4471332](https://patchblox.com/security/data/fix/microsoft/kb4471332.md) | Dec 11, 2018 | | Microsoft | Windows 10 for 32-bit Systems | 10240.18063 | [KB4471323](https://patchblox.com/security/data/fix/microsoft/kb4471323.md) | Dec 11, 2018 | | Microsoft | Windows 10 for x64-based Systems | 10240.18063 | [KB4471323](https://patchblox.com/security/data/fix/microsoft/kb4471323.md) | Dec 11, 2018 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4471328](https://patchblox.com/security/data/fix/microsoft/kb4471328.md) | Dec 11, 2018 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4471318](https://patchblox.com/security/data/fix/microsoft/kb4471318.md) | Dec 11, 2018 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4471328](https://patchblox.com/security/data/fix/microsoft/kb4471328.md) | Dec 11, 2018 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4471318](https://patchblox.com/security/data/fix/microsoft/kb4471318.md) | Dec 11, 2018 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4471320](https://patchblox.com/security/data/fix/microsoft/kb4471320.md) | Dec 11, 2018 | | Microsoft | Windows 8.1 for 32-bit systems | | [KB4471322](https://patchblox.com/security/data/fix/microsoft/kb4471322.md) | Dec 11, 2018 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4471320](https://patchblox.com/security/data/fix/microsoft/kb4471320.md) | Dec 11, 2018 | | Microsoft | Windows 8.1 for x64-based systems | | [KB4471322](https://patchblox.com/security/data/fix/microsoft/kb4471322.md) | Dec 11, 2018 | | Microsoft | Windows RT 8.1 | | [KB4471320](https://patchblox.com/security/data/fix/microsoft/kb4471320.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4471328](https://patchblox.com/security/data/fix/microsoft/kb4471328.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4471318](https://patchblox.com/security/data/fix/microsoft/kb4471318.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4471328](https://patchblox.com/security/data/fix/microsoft/kb4471328.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4471318](https://patchblox.com/security/data/fix/microsoft/kb4471318.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4471328](https://patchblox.com/security/data/fix/microsoft/kb4471328.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4471318](https://patchblox.com/security/data/fix/microsoft/kb4471318.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4471325](https://patchblox.com/security/data/fix/microsoft/kb4471325.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4471319](https://patchblox.com/security/data/fix/microsoft/kb4471319.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4471325](https://patchblox.com/security/data/fix/microsoft/kb4471325.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4471319](https://patchblox.com/security/data/fix/microsoft/kb4471319.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4471325](https://patchblox.com/security/data/fix/microsoft/kb4471325.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4471319](https://patchblox.com/security/data/fix/microsoft/kb4471319.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4471325](https://patchblox.com/security/data/fix/microsoft/kb4471325.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4471319](https://patchblox.com/security/data/fix/microsoft/kb4471319.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4471325](https://patchblox.com/security/data/fix/microsoft/kb4471325.md) | Dec 11, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4471319](https://patchblox.com/security/data/fix/microsoft/kb4471319.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 | | [KB4471330](https://patchblox.com/security/data/fix/microsoft/kb4471330.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 | | [KB4471326](https://patchblox.com/security/data/fix/microsoft/kb4471326.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4471330](https://patchblox.com/security/data/fix/microsoft/kb4471330.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 (Server Core installation) | | [KB4471326](https://patchblox.com/security/data/fix/microsoft/kb4471326.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 R2 | | [KB4471320](https://patchblox.com/security/data/fix/microsoft/kb4471320.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 R2 | | [KB4471322](https://patchblox.com/security/data/fix/microsoft/kb4471322.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4471320](https://patchblox.com/security/data/fix/microsoft/kb4471320.md) | Dec 11, 2018 | | Microsoft | Windows Server 2012 R2 (Server Core installation) | | [KB4471322](https://patchblox.com/security/data/fix/microsoft/kb4471322.md) | Dec 11, 2018 | | Microsoft | Windows Server 2016 | 14393.2665 | [KB4471321](https://patchblox.com/security/data/fix/microsoft/kb4471321.md) | Dec 11, 2018 | | Microsoft | Windows Server 2016 (Server Core installation) | 14393.2665 | [KB4471321](https://patchblox.com/security/data/fix/microsoft/kb4471321.md) | Dec 11, 2018 | | Microsoft | Windows Server 2019 | 17763.194 | [KB4471332](https://patchblox.com/security/data/fix/microsoft/kb4471332.md) | Dec 11, 2018 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.194 | [KB4471332](https://patchblox.com/security/data/fix/microsoft/kb4471332.md) | Dec 11, 2018 | | Microsoft | Windows Server, version 1709 (Server Core Installation) | 16299.846 | [KB4471329](https://patchblox.com/security/data/fix/microsoft/kb4471329.md) | Dec 11, 2018 | | Microsoft | Windows Server, version 1803 (Server Core Installation) | 17134.471 | [KB4471324](https://patchblox.com/security/data/fix/microsoft/kb4471324.md) | Dec 11, 2018 | --- Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo