# CVE-2016-3234: Microsoft Office Information Disclosure Vulnerability

CVE-2016-3234 is fixed in 11 products on 1 platform, first by KB3115198, released June 14, 2016. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-3234
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.2649
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: N/A
- Published: Jun 14, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-3234

## Description

<p>An information disclosure vulnerability exists when Microsoft Office improperly discloses the contents of its memory. An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.</p> <p>To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it. An attacker must know the memory address location 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 | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB3115198](https://patchblox.com/security/data/fix/microsoft/kb3115198.md) | Jun 14, 2016 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB3115198](https://patchblox.com/security/data/fix/microsoft/kb3115198.md) | Jun 14, 2016 |
| Microsoft | Microsoft Office Compatibility Pack Service Pack 3 |  | [KB3115194](https://patchblox.com/security/data/fix/microsoft/kb3115194.md) | Jun 14, 2016 |
| Microsoft | Microsoft Office Web Apps 2010 Service Pack 2 |  | [KB3115244](https://patchblox.com/security/data/fix/microsoft/kb3115244.md) | Jun 14, 2016 |
| Microsoft | Microsoft Office Web Apps 2013 Service Pack 1 |  | [KB3115170](https://patchblox.com/security/data/fix/microsoft/kb3115170.md) | Jun 14, 2016 |
| Microsoft | Microsoft Office Word Viewer |  | [KB3115187](https://patchblox.com/security/data/fix/microsoft/kb3115187.md) | Jun 14, 2016 |
| Microsoft | Microsoft Word 2007 Service Pack 3 |  | [KB3115195](https://patchblox.com/security/data/fix/microsoft/kb3115195.md) | Jun 14, 2016 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (32-bit editions) |  | [KB3115243](https://patchblox.com/security/data/fix/microsoft/kb3115243.md) | Jun 14, 2016 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (64-bit editions) |  | [KB3115243](https://patchblox.com/security/data/fix/microsoft/kb3115243.md) | Jun 14, 2016 |
| Microsoft | Word Automation Services on Microsoft SharePoint Server 2010 Service Pack 2 |  | [KB3115196](https://patchblox.com/security/data/fix/microsoft/kb3115196.md) | Jun 14, 2016 |
| Microsoft | Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1 |  | [KB3115014](https://patchblox.com/security/data/fix/microsoft/kb3115014.md) | Jun 14, 2016 |

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Data as of 2026-11-07T06:34:28Z 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