# CVE-2016-7233: Microsoft Office Information Disclosure Vulnerability

CVE-2016-7233 is fixed in 11 products on 1 platform, first by KB3198807, released November 8, 2016. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2016-7233
- Priority: High
- CVSS: n/a (Important)
- EPSS: 0.2238
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: N/A
- Published: Nov 8, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-7233

## Description

<p>An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software.</p> <p>The security update addresses the vulnerability by properly initializing the affected variable.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Excel for Mac 2011 |  | [KB3198807](https://patchblox.com/security/data/fix/microsoft/kb3198807.md) | Nov 8, 2016 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (32-bit editions) |  | [KB3127951](https://patchblox.com/security/data/fix/microsoft/kb3127951.md) | Nov 8, 2016 |
| Microsoft | Microsoft Office 2010 Service Pack 2 (64-bit editions) |  | [KB3127951](https://patchblox.com/security/data/fix/microsoft/kb3127951.md) | Nov 8, 2016 |
| Microsoft | Microsoft Office Compatibility Pack Service Pack 3 |  | [KB3127948](https://patchblox.com/security/data/fix/microsoft/kb3127948.md) | Nov 8, 2016 |
| Microsoft | Microsoft Office Web Apps 2010 Service Pack 2 |  | [KB3127954](https://patchblox.com/security/data/fix/microsoft/kb3127954.md) | Nov 8, 2016 |
| Microsoft | Microsoft Office Word Viewer |  | [KB3127962](https://patchblox.com/security/data/fix/microsoft/kb3127962.md) | Nov 8, 2016 |
| Microsoft | Microsoft Word 2007 Service Pack 3 |  | [KB3127949](https://patchblox.com/security/data/fix/microsoft/kb3127949.md) | Nov 8, 2016 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (32-bit editions) |  | [KB3127953](https://patchblox.com/security/data/fix/microsoft/kb3127953.md) | Nov 8, 2016 |
| Microsoft | Microsoft Word 2010 Service Pack 2 (64-bit editions) |  | [KB3127953](https://patchblox.com/security/data/fix/microsoft/kb3127953.md) | Nov 8, 2016 |
| Microsoft | Microsoft Word for Mac 2011 |  | [KB3198807](https://patchblox.com/security/data/fix/microsoft/kb3198807.md) | Nov 8, 2016 |
| Microsoft | Word Automation Services on Microsoft SharePoint Server 2013 Service Pack 1 |  | [KB3127927](https://patchblox.com/security/data/fix/microsoft/kb3127927.md) | Nov 8, 2016 |

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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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