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Description of the security update for Office 2016: September 8, 2020

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Summary

This security update resolves a remote code execution vulnerability that exists in Microsoft Excel if the software does not correctly handle objects in memory. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2020-1193.

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

Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home (see What version of Office am I using?).

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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 standalone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the standalone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

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More information

Security update deployment information

For deployment information about this update, see security update deployment information: September 8, 2020.

Security update replacement information

This security update replaces previously released security update 4484342.

File hash information

File name SHA1 hash SHA256 hash
mso2016-kb4484466-fullfile-x86-glb.exe 905698D705A87662D4C811D7B468289C6CBD1A91 FED3D055C2AD1E05186823B9D4309E7E75A07C00A5281D7EABE3BD3C05FE252D
mso2016-kb4484466-fullfile-x64-glb.exe BA4FA19B55286492C9CB36AEA00E27351A0E3826 CF51E0B94EA47DDF63CF73B32EDA025F1C5E939291F919CB695C7D2E14B2FC04


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.

For all supported x86-based versions of Office 2016
File identifier File name File version File size Date Time
firstrun.exe firstrun.exe 16.0.4999.1000 772112 11-Aug-20 04:23
msointl.dll.x86.1025 msointl.dll 16.0.4927.1000 3287904 12-Aug-20 05:45
msointl.dll.x86.1026 msointl.dll 16.0.4927.1000 1886048 12-Aug-20 05:41
msointl.dll.x86.1027 msointl.dll 16.0.4927.1000 1817952 12-Aug-20 06:01
msointl.dll.x86.1029 msointl.dll 16.0.4927.1000 1928032 12-Aug-20 05:45
msointl.dll.x86.1030 msointl.dll 16.0.4927.1000 1758040 12-Aug-20 05:45
msointl.dll.x86.1031 msointl.dll 16.0.4927.1000 1948216 12-Aug-20 05:45
msointl.dll.x86.1032 msointl.dll 16.0.4927.1000 2057048 12-Aug-20 05:45
msointl.dll.x86.3082 msointl.dll 16.0.4927.1000 1826360 12-Aug-20 05:45
msointl.dll.x86.1061 msointl.dll 16.0.4927.1000 1731664 12-Aug-20 05:41
msointl.dll.x86.1069 msointl.dll 16.0.4927.1000 1740640 12-Aug-20 06:01
msointl.dll.x86.1035 msointl.dll 16.0.4927.1000 1738504 12-Aug-20 05:45
msointl.dll.x86.1036 msointl.dll 16.0.4927.1000 1975360 12-Aug-20 05:45
msointl.dll.x86.1110 msointl.dll 16.0.4927.1000 1774648 12-Aug-20 06:02
msointl.dll.x86.1095 msointl.dll 16.0.4927.1000 1830688 12-Aug-20 06:02
msointl.dll.x86.1037 msointl.dll 16.0.4927.1000 2907936 12-Aug-20 05:45
msointl.dll.x86.1081 msointl.dll 16.0.4927.1000 1952312 12-Aug-20 05:45
msointl.dll.x86.1050 msointl.dll 16.0.4927.1000 1742088 12-Aug-20 05:45
msointl.dll.x86.1038 msointl.dll 16.0.4927.1000 1951584 12-Aug-20 05:41
msointl.dll.x86.1057 msointl.dll 16.0.4927.1000 1621848 12-Aug-20 05:41
msointl.dll.x86.1040 msointl.dll 16.0.4927.1000 1766240 12-Aug-20 05:45
msointl.dll.x86.1041 msointl.dll 16.0.4927.1000 2012512 12-Aug-20 05:45
msointl.dll.x86.1087 msointl.dll 16.0.4927.1000 2103648 12-Aug-20 05:45
msointl.dll.x86.1099 msointl.dll 16.0.4927.1000 1940320 12-Aug-20 06:02
msointl.dll.x86.1042 msointl.dll 16.0.4927.1000 2768736 12-Aug-20 05:45
msointl.dll.x86.1063 msointl.dll 16.0.4927.1000 1845808 12-Aug-20 05:46
msointl.dll.x86.1062 msointl.dll 16.0.4927.1000 1832016 12-Aug-20 05:46
msointl.dll.x86.1086 msointl.dll 16.0.4927.1000 1649232 12-Aug-20 05:41
msointl.dll.x86.1044 msointl.dll 16.0.4927.1000 1721624 12-Aug-20 05:46
msointl.dll.x86.1043 msointl.dll 16.0.4927.1000 1771264 12-Aug-20 05:46
msointl.dll.x86.1045 msointl.dll 16.0.4927.1000 1917280 12-Aug-20 05:46
msointl.dll.x86.1046 msointl.dll 16.0.4927.1000 1829656 12-Aug-20 05:46
msointl.dll.x86.2070 msointl.dll 16.0.4927.1000 1836312 12-Aug-20 05:46
msointl.dll.x86.1048 msointl.dll 16.0.4927.1000 1963064 12-Aug-20 05:46
msointl.dll.x86.1049 msointl.dll 16.0.4927.1000 1904384 12-Aug-20 05:46
msointl.dll.x86.1051 msointl.dll 16.0.4927.1000 1971552 12-Aug-20 05:41
msointl.dll.x86.1060 msointl.dll 16.0.4927.1000 1807712 12-Aug-20 05:41
msointl.dll.x86.2074 msointl.dll 16.0.4927.1000 1765936 12-Aug-20 05:46
msointl.dll.x86.9242 msointl.dll 16.0.4927.1000 1794912 12-Aug-20 05:46
msointl.dll.x86.1053 msointl.dll 16.0.4927.1000 1734912 12-Aug-20 05:46
msointl.dll.x86.1054 msointl.dll 16.0.4927.1000 1827376 12-Aug-20 05:46
msointl.dll.x86.1055 msointl.dll 16.0.4927.1000 1998680 12-Aug-20 05:46
msointl.dll.x86.1058 msointl.dll 16.0.4927.1000 1891896 12-Aug-20 05:46
msointl.dll.x86.1066 msointl.dll 16.0.4927.1000 2005552 12-Aug-20 05:41
msointl.dll.x86.2052 msointl.dll 16.0.4927.1000 2321704 12-Aug-20 05:46
msointl.dll.x86.1028 msointl.dll 16.0.4927.1000 2329384 12-Aug-20 05:46
msores.dll msores.dll 16.0.4795.1000 81683304 11-Aug-20 04:23
msores.dll.x86 msores.dll 16.0.4795.1000 81683304 11-Aug-20 04:34
mso.dll.x86 mso.dll 16.0.5056.1000 14403456 12-Aug-20 05:32
msointl.dll.x86.1033 msointl.dll 16.0.4927.1000 1539640 11-Aug-20 04:22
For all supported x64-based versions of Office 2016
File identifier File name File version File size Date Time
firstrun.exe firstrun.exe 16.0.4999.1000 817352 11-Aug-20 04:33
msointl.dll.x64.1025 msointl.dll 16.0.5056.1000 3324768 12-Aug-20 06:12
msointl.dll.x64.1026 msointl.dll 16.0.5056.1000 1910112 12-Aug-20 05:42
msointl.dll.x64.1027 msointl.dll 16.0.5056.1000 1842008 12-Aug-20 06:04
msointl.dll.x64.1029 msointl.dll 16.0.5056.1000 1952096 12-Aug-20 06:12
msointl.dll.x64.1030 msointl.dll 16.0.5056.1000 1782112 12-Aug-20 06:12
msointl.dll.x64.1031 msointl.dll 16.0.5056.1000 1972576 12-Aug-20 06:12
msointl.dll.x64.1032 msointl.dll 16.0.5056.1000 2081648 12-Aug-20 06:12
msointl.dll.x64.3082 msointl.dll 16.0.5056.1000 1850736 12-Aug-20 06:12
msointl.dll.x64.1061 msointl.dll 16.0.5056.1000 1755488 12-Aug-20 05:42
msointl.dll.x64.1069 msointl.dll 16.0.5056.1000 1764704 12-Aug-20 06:04
msointl.dll.x64.1035 msointl.dll 16.0.5056.1000 1762656 12-Aug-20 06:12
msointl.dll.x64.1036 msointl.dll 16.0.5056.1000 1999232 12-Aug-20 06:12
msointl.dll.x64.1110 msointl.dll 16.0.5056.1000 1799008 12-Aug-20 06:04
msointl.dll.x64.1095 msointl.dll 16.0.5056.1000 1854832 12-Aug-20 06:04
msointl.dll.x64.1037 msointl.dll 16.0.5056.1000 2944824 12-Aug-20 06:12
msointl.dll.x64.1081 msointl.dll 16.0.5056.1000 1976672 12-Aug-20 06:12
msointl.dll.x64.1050 msointl.dll 16.0.5056.1000 1766240 12-Aug-20 06:12
msointl.dll.x64.1038 msointl.dll 16.0.5056.1000 1975648 12-Aug-20 05:42
msointl.dll.x64.1057 msointl.dll 16.0.5056.1000 1645920 12-Aug-20 05:42
msointl.dll.x64.1040 msointl.dll 16.0.5056.1000 1790816 12-Aug-20 06:12
msointl.dll.x64.1041 msointl.dll 16.0.5056.1000 2036568 12-Aug-20 06:12
msointl.dll.x64.1087 msointl.dll 16.0.5056.1000 2128248 12-Aug-20 06:12
msointl.dll.x64.1099 msointl.dll 16.0.5056.1000 1964408 12-Aug-20 06:04
msointl.dll.x64.1042 msointl.dll 16.0.5056.1000 2793336 12-Aug-20 06:12
msointl.dll.x64.1063 msointl.dll 16.0.5056.1000 1869688 12-Aug-20 06:12
msointl.dll.x64.1062 msointl.dll 16.0.5056.1000 1855856 12-Aug-20 06:12
msointl.dll.x64.1086 msointl.dll 16.0.5056.1000 1673584 12-Aug-20 05:42
msointl.dll.x64.1044 msointl.dll 16.0.5056.1000 1745272 12-Aug-20 06:12
msointl.dll.x64.1043 msointl.dll 16.0.5056.1000 1795448 12-Aug-20 06:12
msointl.dll.x64.1045 msointl.dll 16.0.5056.1000 1941336 12-Aug-20 06:12
msointl.dll.x64.1046 msointl.dll 16.0.5056.1000 1853784 12-Aug-20 06:12
msointl.dll.x64.2070 msointl.dll 16.0.5056.1000 1860472 12-Aug-20 06:12
msointl.dll.x64.1048 msointl.dll 16.0.5056.1000 1986904 12-Aug-20 06:12
msointl.dll.x64.1049 msointl.dll 16.0.5056.1000 1928024 12-Aug-20 06:12
msointl.dll.x64.1051 msointl.dll 16.0.5056.1000 1996152 12-Aug-20 05:42
msointl.dll.x64.1060 msointl.dll 16.0.5056.1000 1832312 12-Aug-20 05:42
msointl.dll.x64.2074 msointl.dll 16.0.5056.1000 1790328 12-Aug-20 06:12
msointl.dll.x64.9242 msointl.dll 16.0.5056.1000 1818968 12-Aug-20 06:12
msointl.dll.x64.1053 msointl.dll 16.0.5056.1000 1759072 12-Aug-20 06:12
msointl.dll.x64.1054 msointl.dll 16.0.5056.1000 1851232 12-Aug-20 06:12
msointl.dll.x64.1055 msointl.dll 16.0.5056.1000 2023264 12-Aug-20 06:12
msointl.dll.x64.1058 msointl.dll 16.0.5056.1000 1915744 12-Aug-20 06:12
msointl.dll.x64.1066 msointl.dll 16.0.5056.1000 2029936 12-Aug-20 05:42
msointl.dll.x64.2052 msointl.dll 16.0.5056.1000 2346272 12-Aug-20 06:12
msointl.dll.x64.1028 msointl.dll 16.0.5056.1000 2353960 12-Aug-20 06:12
msointl.dll.x86.1025 msointl.dll 16.0.4927.1000 3287904 12-Aug-20 05:45
msointl.dll.x86.1026 msointl.dll 16.0.4927.1000 1886048 12-Aug-20 05:41
msointl.dll.x86.1029 msointl.dll 16.0.4927.1000 1928032 12-Aug-20 05:45
msointl.dll.x86.1030 msointl.dll 16.0.4927.1000 1758040 12-Aug-20 05:45
msointl.dll.x86.1031 msointl.dll 16.0.4927.1000 1948216 12-Aug-20 05:45
msointl.dll.x86.1032 msointl.dll 16.0.4927.1000 2057048 12-Aug-20 05:45
msointl.dll.x86.3082 msointl.dll 16.0.4927.1000 1826360 12-Aug-20 05:45
msointl.dll.x86.1061 msointl.dll 16.0.4927.1000 1731664 12-Aug-20 05:41
msointl.dll.x86.1035 msointl.dll 16.0.4927.1000 1738504 12-Aug-20 05:45
msointl.dll.x86.1036 msointl.dll 16.0.4927.1000 1975360 12-Aug-20 05:45
msointl.dll.x86.1037 msointl.dll 16.0.4927.1000 2907936 12-Aug-20 05:45
msointl.dll.x86.1081 msointl.dll 16.0.4927.1000 1952312 12-Aug-20 05:45
msointl.dll.x86.1050 msointl.dll 16.0.4927.1000 1742088 12-Aug-20 05:45
msointl.dll.x86.1038 msointl.dll 16.0.4927.1000 1951584 12-Aug-20 05:41
msointl.dll.x86.1057 msointl.dll 16.0.4927.1000 1621848 12-Aug-20 05:41
msointl.dll.x86.1040 msointl.dll 16.0.4927.1000 1766240 12-Aug-20 05:45
msointl.dll.x86.1041 msointl.dll 16.0.4927.1000 2012512 12-Aug-20 05:45
msointl.dll.x86.1087 msointl.dll 16.0.4927.1000 2103648 12-Aug-20 05:45
msointl.dll.x86.1042 msointl.dll 16.0.4927.1000 2768736 12-Aug-20 05:45
msointl.dll.x86.1063 msointl.dll 16.0.4927.1000 1845808 12-Aug-20 05:46
msointl.dll.x86.1062 msointl.dll 16.0.4927.1000 1832016 12-Aug-20 05:46
msointl.dll.x86.1086 msointl.dll 16.0.4927.1000 1649232 12-Aug-20 05:41
msointl.dll.x86.1044 msointl.dll 16.0.4927.1000 1721624 12-Aug-20 05:46
msointl.dll.x86.1043 msointl.dll 16.0.4927.1000 1771264 12-Aug-20 05:46
msointl.dll.x86.1045 msointl.dll 16.0.4927.1000 1917280 12-Aug-20 05:46
msointl.dll.x86.1046 msointl.dll 16.0.4927.1000 1829656 12-Aug-20 05:46
msointl.dll.x86.2070 msointl.dll 16.0.4927.1000 1836312 12-Aug-20 05:46
msointl.dll.x86.1048 msointl.dll 16.0.4927.1000 1963064 12-Aug-20 05:46
msointl.dll.x86.1049 msointl.dll 16.0.4927.1000 1904384 12-Aug-20 05:46
msointl.dll.x86.1051 msointl.dll 16.0.4927.1000 1971552 12-Aug-20 05:41
msointl.dll.x86.1060 msointl.dll 16.0.4927.1000 1807712 12-Aug-20 05:41
msointl.dll.x86.2074 msointl.dll 16.0.4927.1000 1765936 12-Aug-20 05:46
msointl.dll.x86.9242 msointl.dll 16.0.4927.1000 1794912 12-Aug-20 05:46
msointl.dll.x86.1053 msointl.dll 16.0.4927.1000 1734912 12-Aug-20 05:46
msointl.dll.x86.1054 msointl.dll 16.0.4927.1000 1827376 12-Aug-20 05:46
msointl.dll.x86.1055 msointl.dll 16.0.4927.1000 1998680 12-Aug-20 05:46
msointl.dll.x86.1058 msointl.dll 16.0.4927.1000 1891896 12-Aug-20 05:46
msointl.dll.x86.1066 msointl.dll 16.0.4927.1000 2005552 12-Aug-20 05:41
msointl.dll.x86.2052 msointl.dll 16.0.4927.1000 2321704 12-Aug-20 05:46
msointl.dll.x86.1028 msointl.dll 16.0.4927.1000 2329384 12-Aug-20 05:46
conversion.office.msores.dll msores.dll 16.0.4795.1000 81683088 11-Aug-20 04:27
msores.dll msores.dll 16.0.4795.1000 81683088 11-Aug-20 04:23
ppt.conversion.msores.dll msores.dll 16.0.4795.1000 81683088    
ppt.edit.msores.dll msores.dll 16.0.4795.1000 81683088    
wac.office.msores.dll msores.dll 16.0.4795.1000 81683088    
msores.dll msores.dll 16.0.4795.1000 81683304 11-Aug-20 04:23
msores.dll.x86 msores.dll 16.0.4795.1000 81683304 11-Aug-20 04:34
mso.dll.x64 mso.dll 16.0.5056.1000 19855200 12-Aug-20 05:36
mso.dll.x86 mso.dll 16.0.5056.1000 14403456 12-Aug-20 05:32
msointl.dll.x64.1033 msointl.dll 16.0.4927.1000 1564424 11-Aug-20 04:28
msointl.dll.x86.1033 msointl.dll 16.0.4927.1000 1539640 11-Aug-20 04:22

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Keywords: kbBug, kbfix, kbExpertiseInter, kbSecReview, KbSECBulletin, KbSECVulnerability, ATdownload, kbMustLoc, kbLangAll, kbSecurity, kbsurveynew

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Article Info
Article ID : 4484466
Revision : 6
Created on : 9/7/2020
Published on : 9/8/2020
Exists online : False
Views : 402