# CVE-2018-8506: Microsoft Windows Codecs Library Information Disclosure Vulnerability

CVE-2018-8506 is fixed in 10 products on 1 platform, first by KB4462918, released October 9, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-8506
- Priority: Routine
- CVSS: 3.3 (Important)
- EPSS: 0.0436
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Oct 9, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8506

## Description

<p>An Information Disclosure vulnerability exists in the way that Microsoft Windows Codecs Library handles objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>Exploitation of the vulnerability requires that a program process a specially crafted image file.</p> <p>The update addresses the vulnerability by correcting how Microsoft Windows Codecs Library handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.726 | [KB4462918](https://patchblox.com/security/data/fix/microsoft/kb4462918.md) | Oct 9, 2018 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.726 | [KB4462918](https://patchblox.com/security/data/fix/microsoft/kb4462918.md) | Oct 9, 2018 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.345 | [KB4462919](https://patchblox.com/security/data/fix/microsoft/kb4462919.md) | Oct 9, 2018 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.345 | [KB4462919](https://patchblox.com/security/data/fix/microsoft/kb4462919.md) | Oct 9, 2018 |
| Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 |
| Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 |
| Microsoft | Windows Server 2019 | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 |
| Microsoft | Windows Server 2019 (Server Core installation) | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 |
| Microsoft | Windows Server, version 1709  (Server Core Installation) | 16299.726 | [KB4462918](https://patchblox.com/security/data/fix/microsoft/kb4462918.md) | Oct 9, 2018 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.345 | [KB4462919](https://patchblox.com/security/data/fix/microsoft/kb4462919.md) | Oct 9, 2018 |

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Data as of 2026-11-07T18:46:35Z 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

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