# CVE-2016-7267: Microsoft Excel Security Feature Bypass Vulnerability

CVE-2016-7267 is fixed in 7 products on 1 platform, first by KB3128037, released December 13, 2016. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2016-7267
- Priority: Urgent
- CVSS: n/a (Moderate)
- EPSS: 0.1998
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Dec 13, 2016
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2016-7267

## Description

<p>A security feature bypass vulnerability exists in Microsoft Excel software when it improperly handles the parsing of file formats. The security feature bypass by itself does not allow arbitrary code execution. However, to successfully exploit the vulnerability, an attacker would have to use it in conjunction with another vulnerability, such as a remote code execution vulnerability, to take advantage of the security feature bypass vulnerability and run arbitrary code.</p> <p>To exploit the vulnerability, an attacker would have to convince a user to open a specially crafted file with an affected version of Microsoft Excel software.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Excel handles the parsing of file formats.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft Excel 2010 Service Pack 2 (32-bit editions) |  | [KB3128037](https://patchblox.com/security/data/fix/microsoft/kb3128037.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2010 Service Pack 2 (64-bit editions) |  | [KB3128037](https://patchblox.com/security/data/fix/microsoft/kb3128037.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2013 RT Service Pack 1 |  | [KB3128008](https://patchblox.com/security/data/fix/microsoft/kb3128008.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2013 Service Pack 1 (32-bit editions) |  | [KB3128008](https://patchblox.com/security/data/fix/microsoft/kb3128008.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2013 Service Pack 1 (64-bit editions) |  | [KB3128008](https://patchblox.com/security/data/fix/microsoft/kb3128008.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2016 (32-bit edition) |  | [KB3128016](https://patchblox.com/security/data/fix/microsoft/kb3128016.md) | Dec 13, 2016 |
| Microsoft | Microsoft Excel 2016 (64-bit edition) |  | [KB3128016](https://patchblox.com/security/data/fix/microsoft/kb3128016.md) | Dec 13, 2016 |

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Data as of 2026-11-08T19:12:23Z 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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