# CVE-2017-8534: Windows Uniscribe Information Disclosure Vulnerability

CVE-2017-8534 is fixed in 13 products on 1 platform, first by KB3191828, released June 13, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-8534
- Priority: Routine
- CVSS: 4.4 (Important)
- EPSS: 0.0639
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Jun 13, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8534

## Description

<p>An information disclosure vulnerability exists when Windows Uniscribe 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 update addresses the vulnerability by correcting how Windows Uniscribe handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Office 2007 Service Pack 3 |  | [KB3191828](https://patchblox.com/security/data/fix/microsoft/kb3191828.md) | Jun 13, 2017 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB3191848](https://patchblox.com/security/data/fix/microsoft/kb3191848.md) | Jun 13, 2017 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB3191848](https://patchblox.com/security/data/fix/microsoft/kb3191848.md) | Jun 13, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4022719](https://patchblox.com/security/data/fix/microsoft/kb4022719.md) | Jun 13, 2017 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4022722](https://patchblox.com/security/data/fix/microsoft/kb4022722.md) | Jun 13, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4022719](https://patchblox.com/security/data/fix/microsoft/kb4022719.md) | Jun 13, 2017 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4022722](https://patchblox.com/security/data/fix/microsoft/kb4022722.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4022719](https://patchblox.com/security/data/fix/microsoft/kb4022719.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4022722](https://patchblox.com/security/data/fix/microsoft/kb4022722.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4022719](https://patchblox.com/security/data/fix/microsoft/kb4022719.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4022722](https://patchblox.com/security/data/fix/microsoft/kb4022722.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4022719](https://patchblox.com/security/data/fix/microsoft/kb4022719.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4022722](https://patchblox.com/security/data/fix/microsoft/kb4022722.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4022884](https://patchblox.com/security/data/fix/microsoft/kb4022884.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4022884](https://patchblox.com/security/data/fix/microsoft/kb4022884.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4022884](https://patchblox.com/security/data/fix/microsoft/kb4022884.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4022884](https://patchblox.com/security/data/fix/microsoft/kb4022884.md) | Jun 13, 2017 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4022884](https://patchblox.com/security/data/fix/microsoft/kb4022884.md) | Jun 13, 2017 |

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Data as of 2026-11-08T06:59:42Z 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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