Description of the security update for Excel 2016: October 9, 2018.

Applies to: Excel 2016


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-2018-8502.

Note To apply this security update, you must have the release version of Excel 2016 installed on the computer.

Improvements and fixes

This security update contains improvements and fixes for the following nonsecurity issues:
  • When you show details of a collapsed group by clicking the Show Details command, Excel 2016 may freeze.
  • When you change horizontal text of Unicode Ideographic Variation Sequence (IVS) characters to vertical text in a workbook, Unicode IVS characters are not displayed correctly.

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 Protect yourself online.

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.

More Information

Security update deployment information

For deployment information about this update, see security update deployment information: October 9, 2018.

Security update replacement information

This security update replaces previously released security update KB 4092460.

File hash information

File name SHA1 hash SHA256 hash
excel2016-kb4461448-fullfile-x64-glb.exe AF6A87460BB6B91784CFD59FF06C5E32ED422CBA C29B0DA36EE4DBF11FB5AAFE71CC1C83FD3303E6766BA2ED5ABE0F69682CBF64
excel2016-kb4461448-fullfile-x86-glb.exe 7C21AAA513994A2106D955EBA559BD719D372B4C 4F2BDFB9D97C0F11E61C30C2573470368CFB62F7DB78C271D2CE9CE24F75BB00

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and 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 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: Protect yourself online

Help for protecting your Windows-based computer from viruses and malware: Microsoft Secure

Local support according to your country: International Support