# CVE-2018-8145: Scripting Engine Information Disclosure Vulnerability

CVE-2018-8145 is fixed in 30 products on 1 platform, first by KB4103723, released May 8, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-8145
- Priority: Routine
- CVSS: 4.3 (Important)
- EPSS: 0.6664
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: May 8, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8145

## Description

<p>An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker must know the memory address of where the object was created.</p> <p>The update addresses the vulnerability by changing the way certain functions handle objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Internet Explorer 10 on Windows Server 2012 |  | [KB4103730](https://patchblox.com/security/data/fix/microsoft/kb4103730.md) | May 8, 2018 |
| Microsoft | Internet Explorer 10 on Windows Server 2012 |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems | 15063.1088 | [KB4103731](https://patchblox.com/security/data/fix/microsoft/kb4103731.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems | 15063.1088 | [KB4103731](https://patchblox.com/security/data/fix/microsoft/kb4103731.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1709 for 32-bit Systems | 16299.431 | [KB4103727](https://patchblox.com/security/data/fix/microsoft/kb4103727.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1709 for x64-based Systems | 16299.431 | [KB4103727](https://patchblox.com/security/data/fix/microsoft/kb4103727.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1803 for 32-bit Systems | 17134.48 | [KB4103721](https://patchblox.com/security/data/fix/microsoft/kb4103721.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 Version 1803 for x64-based Systems | 17134.48 | [KB4103721](https://patchblox.com/security/data/fix/microsoft/kb4103721.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 for 32-bit Systems | 10240.17861 | [KB4103716](https://patchblox.com/security/data/fix/microsoft/kb4103716.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 10 for x64-based Systems | 10240.17861 | [KB4103716](https://patchblox.com/security/data/fix/microsoft/kb4103716.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4103718](https://patchblox.com/security/data/fix/microsoft/kb4103718.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 |  | [KB4103718](https://patchblox.com/security/data/fix/microsoft/kb4103718.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1 |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for 32-bit systems |  | [KB4103725](https://patchblox.com/security/data/fix/microsoft/kb4103725.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for 32-bit systems |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for x64-based systems |  | [KB4103725](https://patchblox.com/security/data/fix/microsoft/kb4103725.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows 8.1 for x64-based systems |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows RT 8.1 |  | [KB4103725](https://patchblox.com/security/data/fix/microsoft/kb4103725.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4103718](https://patchblox.com/security/data/fix/microsoft/kb4103718.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows Server 2012 R2 |  | [KB4103725](https://patchblox.com/security/data/fix/microsoft/kb4103725.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows Server 2012 R2 |  | [KB4103768](https://patchblox.com/security/data/fix/microsoft/kb4103768.md) | May 8, 2018 |
| Microsoft | Internet Explorer 11 on Windows Server 2016 | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems | 15063.1088 | [KB4103731](https://patchblox.com/security/data/fix/microsoft/kb4103731.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems | 15063.1088 | [KB4103731](https://patchblox.com/security/data/fix/microsoft/kb4103731.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems | 16299.431 | [KB4103727](https://patchblox.com/security/data/fix/microsoft/kb4103727.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems | 16299.431 | [KB4103727](https://patchblox.com/security/data/fix/microsoft/kb4103727.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems | 17134.48 | [KB4103721](https://patchblox.com/security/data/fix/microsoft/kb4103721.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems | 17134.48 | [KB4103721](https://patchblox.com/security/data/fix/microsoft/kb4103721.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems | 10240.17861 | [KB4103716](https://patchblox.com/security/data/fix/microsoft/kb4103716.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems | 10240.17861 | [KB4103716](https://patchblox.com/security/data/fix/microsoft/kb4103716.md) | May 8, 2018 |
| Microsoft | Microsoft Edge (EdgeHTML-based) on Windows Server 2016 | 14393.2248 | [KB4103723](https://patchblox.com/security/data/fix/microsoft/kb4103723.md) | May 8, 2018 |

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