This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures CVE-2018-0907.
Note To apply this security update, you must have the release version of Service Pack 1 for Microsoft Office 2013 installed on the computer.
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2013. It doesn't apply to the Office 2013 Click-to-Run editions, such as Microsoft Office 365 Home. (Determining your Office version)
Improvements and fixes
This security update contains improvements and fixes for the following nonsecurity issues:
A new registry key has been added to provide more control over object macros security. The "RestrictObjectMacros" DWORD registry key under HKCU/Software/Microsoft/Office/15.0/Excel/Security supports the following values:
0 (or not present) – Default behaviorImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
1 – Strict
2 – Lenient
3 – None (not recommended)322756 How to back up and restore the registry in Windows
This security update also contains fixes for the following nonsecurity issues:
For files that contain special characters in the worksheet names, you may experience file corruption issue on a round trip across some locales. Additionally, you receive an error message that resembles the following:
Excel found unreadable content in 'FileName'. Do you want to recover the contents of this workbook? If you trust the source of this workbook, click Yes.
- Corrects the translation for following terms for different versions of Excel 2013:
- The TRIM function in the Danish version.
- The TRIM function in the Dutch version.
- The Defer Layout Update check box for PowerPivot table in the Danish version.
How to get and install the update
Method 1: Microsoft Update
This update is available from Microsoft Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to get security updates automatically, see Windows Update: FAQ.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
Method 3: Microsoft Download Center
You can get the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.
Security update deployment information
For deployment information about this update, see security update deployment information: March 13, 2018.
Security update replacement information
This security update replaces previously released security update 4011639.
File hash information
|Package name||Package hash SHA 1||Package hash SHA 2|
The English version of this security update has the file attributes (or later file attributes) that are listed in the following table. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
How to get help and support for this security update
Help for installing updates: Windows Update FAQ
Security solutions for IT professionals: Security Support and Troubleshooting
Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure
Local support according to your country: International Support
Propose a feature or provide feedback on Office Core: Office User Voice portal