Description of the security update for Office 2016: July 9, 2019

Summary

This security update resolves an information disclosure vulnerability that exists if Microsoft Office Javascript does not check the validity of the webpage that is making a request to Office documents. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2019-1109.

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?).

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.

• Download security update 4464534 for the 32-bit version of Office 2016
• Download security update 4464534 for the 64-bit version of Office 2016

More information

Security update deployment information

For deployment information about this update, see security update deployment information: July 9, 2019.

Security update replacement information

This security update doesn’t replace any previously released update.

File hash information

File name	SHA1 hash	SHA256 hash
osfclient2016-kb4464534-fullfile-x86-glb.exe	0FAC739C5D8F8C5FA7C3C2CF3AF6AB42AD163D90	8C81A0C6A0620BAF421F8F5D06F475669CCE35F97C785773AF960E8CAACA8631
osfclient2016-kb4464534-fullfile-x64-glb.exe	B98C162FF01C9BF060D84D4523271738C091152D	BD9740C1381700F085BAFBBBBAECDDCD7A16A45DA68BA5044E4B7F1955B62E74

File informationThe 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.

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For all supported x86-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
osfintl.dll_1025	osfintl.dll	16.0.4873.1000	267944	12-Jun-19	09:25
osfintl.dll_1026	osfintl.dll	16.0.4873.1000	269784	12-Jun-19	08:55
osfintl.dll_1029	osfintl.dll	16.0.4873.1000	266696	12-Jun-19	09:25
osfintl.dll_1030	osfintl.dll	16.0.4873.1000	264744	12-Jun-19	09:25
osfintl.dll_1031	osfintl.dll	16.0.4873.1000	266760	12-Jun-19	09:25
osfintl.dll_1032	osfintl.dll	16.0.4873.1000	273816	12-Jun-19	09:25
osfintl.dll_3082	osfintl.dll	16.0.4873.1000	264176	12-Jun-19	09:25
osfintl.dll_1061	osfintl.dll	16.0.4873.1000	262704	12-Jun-19	08:55
osfintl.dll_1035	osfintl.dll	16.0.4873.1000	262584	12-Jun-19	09:25
osfintl.dll_1036	osfintl.dll	16.0.4873.1000	267520	12-Jun-19	09:25
osfintl.dll_1037	osfintl.dll	16.0.4873.1000	263040	12-Jun-19	09:25
osfintl.dll_1081	osfintl.dll	16.0.4873.1000	276648	12-Jun-19	09:25
osfintl.dll_1050	osfintl.dll	16.0.4873.1000	263696	12-Jun-19	09:25
osfintl.dll_1038	osfintl.dll	16.0.4873.1000	268264	12-Jun-19	08:55
osfintl.dll_1057	osfintl.dll	16.0.4873.1000	261672	12-Jun-19	08:55
osfintl.dll_1040	osfintl.dll	16.0.4873.1000	265496	12-Jun-19	09:25
osfintl.dll_1041	osfintl.dll	16.0.4873.1000	267136	12-Jun-19	09:25
osfintl.dll_1087	osfintl.dll	16.0.4873.1000	272040	12-Jun-19	09:25
osfintl.dll_1042	osfintl.dll	16.0.4873.1000	265600	12-Jun-19	09:25
osfintl.dll_1063	osfintl.dll	16.0.4873.1000	265488	12-Jun-19	09:25
osfintl.dll_1062	osfintl.dll	16.0.4873.1000	266720	12-Jun-19	09:25
osfintl.dll_1086	osfintl.dll	16.0.4873.1000	263120	12-Jun-19	08:55
osfintl.dll_1044	osfintl.dll	16.0.4873.1000	262096	12-Jun-19	09:25
osfintl.dll_1043	osfintl.dll	16.0.4873.1000	265168	12-Jun-19	09:25
osfintl.dll_1045	osfintl.dll	16.0.4873.1000	266248	12-Jun-19	09:25
osfintl.dll_1046	osfintl.dll	16.0.4873.1000	264176	12-Jun-19	09:25
osfintl.dll_2070	osfintl.dll	16.0.4873.1000	264176	12-Jun-19	09:25
osfintl.dll_1048	osfintl.dll	16.0.4873.1000	269792	12-Jun-19	09:25
osfintl.dll_1049	osfintl.dll	16.0.4873.1000	271016	12-Jun-19	09:25
osfintl.dll_1051	osfintl.dll	16.0.4873.1000	267240	12-Jun-19	08:55
osfintl.dll_1060	osfintl.dll	16.0.4873.1000	264208	12-Jun-19	08:55
osfintl.dll_2074	osfintl.dll	16.0.4873.1000	263696	12-Jun-19	09:25
osfintl.dll_9242	osfintl.dll	16.0.4873.1000	265744	12-Jun-19	09:25
osfintl.dll_1053	osfintl.dll	16.0.4873.1000	262696	12-Jun-19	09:25
osfintl.dll_1054	osfintl.dll	16.0.4873.1000	272256	12-Jun-19	09:25
osfintl.dll_1055	osfintl.dll	16.0.4873.1000	266192	12-Jun-19	09:25
osfintl.dll_1058	osfintl.dll	16.0.4873.1000	270808	12-Jun-19	09:25
osfintl.dll_1066	osfintl.dll	16.0.4873.1000	267648	12-Jun-19	08:55
osfintl.dll_2052	osfintl.dll	16.0.4873.1000	260992	12-Jun-19	09:25
osfintl.dll_1028	osfintl.dll	16.0.4873.1000	260776	12-Jun-19	09:25
osfintl.dll_1033	osfintl.dll	16.0.4873.1000	261080	12-Jun-19	09:25
minsbproxy.dll	minsbproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
minsbproxy.dll.x86	minsbproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55
minsbroamingproxy.dll	minsbroamingproxy.dll	16.0.4873.1000	51696	12-Jun-19	08:50
minsbroamingproxy.dll.x86	minsbroamingproxy.dll	16.0.4873.1000	51696	12-Jun-19	08:55
msosb.dll	msosb.dll	16.0.4873.1000	161328	12-Jun-19	08:50
msosb.dll.x86	msosb.dll	16.0.4873.1000	161328	12-Jun-19	08:55
osf.dll	osf.dll	16.0.4873.1000	1182680	12-Jun-19	08:50
osfproxy.dll	osfproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
osfproxy.dll.x86	osfproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55
osfroamingproxy.dll	osfroamingproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
osfroamingproxy.dll.x86	osfroamingproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55
osfshared.dll	osfshared.dll	16.0.4864.1000	153056	11-Jun-19	03:39
osfui.dll	osfui.dll	16.0.4861.1000	350256	11-Jun-19	03:39
websb.dll	websandbox.dll	16.0.4873.1000	630744	12-Jun-19	08:50

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For all supported x64-based versions of Office 2016

File identifier	File name	File version	File size	Date	Time
osfintl.dll_1025	osfintl.dll	16.0.4873.1000	267736	12-Jun-19	09:31
osfintl.dll_1026	osfintl.dll	16.0.4873.1000	269784	12-Jun-19	08:55
osfintl.dll_1029	osfintl.dll	16.0.4873.1000	266272	12-Jun-19	09:31
osfintl.dll_1030	osfintl.dll	16.0.4873.1000	264744	12-Jun-19	09:31
osfintl.dll_1031	osfintl.dll	16.0.4873.1000	266336	12-Jun-19	09:31
osfintl.dll_1032	osfintl.dll	16.0.4873.1000	273368	12-Jun-19	09:31
osfintl.dll_3082	osfintl.dll	16.0.4873.1000	263752	12-Jun-19	09:31
osfintl.dll_1061	osfintl.dll	16.0.4873.1000	262704	12-Jun-19	08:55
osfintl.dll_1035	osfintl.dll	16.0.4873.1000	262152	12-Jun-19	09:31
osfintl.dll_1036	osfintl.dll	16.0.4873.1000	267304	12-Jun-19	09:31
osfintl.dll_1037	osfintl.dll	16.0.4873.1000	262616	12-Jun-19	09:31
osfintl.dll_1081	osfintl.dll	16.0.4873.1000	276432	12-Jun-19	09:31
osfintl.dll_1050	osfintl.dll	16.0.4873.1000	263272	12-Jun-19	09:31
osfintl.dll_1038	osfintl.dll	16.0.4873.1000	267808	12-Jun-19	08:55
osfintl.dll_1057	osfintl.dll	16.0.4873.1000	261672	12-Jun-19	08:55
osfintl.dll_1040	osfintl.dll	16.0.4873.1000	265288	12-Jun-19	09:31
osfintl.dll_1041	osfintl.dll	16.0.4873.1000	266712	12-Jun-19	09:31
osfintl.dll_1087	osfintl.dll	16.0.4873.1000	271832	12-Jun-19	09:31
osfintl.dll_1042	osfintl.dll	16.0.4873.1000	265176	12-Jun-19	09:31
osfintl.dll_1063	osfintl.dll	16.0.4873.1000	265272	12-Jun-19	09:31
osfintl.dll_1062	osfintl.dll	16.0.4873.1000	266288	12-Jun-19	09:31
osfintl.dll_1086	osfintl.dll	16.0.4873.1000	262696	12-Jun-19	08:55
osfintl.dll_1044	osfintl.dll	16.0.4873.1000	261672	12-Jun-19	09:31
osfintl.dll_1043	osfintl.dll	16.0.4873.1000	264744	12-Jun-19	09:31
osfintl.dll_1045	osfintl.dll	16.0.4873.1000	265824	12-Jun-19	09:31
osfintl.dll_1046	osfintl.dll	16.0.4873.1000	263752	12-Jun-19	09:31
osfintl.dll_2070	osfintl.dll	16.0.4873.1000	263752	12-Jun-19	09:31
osfintl.dll_1048	osfintl.dll	16.0.4873.1000	269368	12-Jun-19	09:31
osfintl.dll_1049	osfintl.dll	16.0.4873.1000	270800	12-Jun-19	09:31
osfintl.dll_1051	osfintl.dll	16.0.4873.1000	266808	12-Jun-19	08:55
osfintl.dll_1060	osfintl.dll	16.0.4873.1000	263784	12-Jun-19	08:55
osfintl.dll_2074	osfintl.dll	16.0.4873.1000	263272	12-Jun-19	09:31
osfintl.dll_9242	osfintl.dll	16.0.4873.1000	265320	12-Jun-19	09:31
osfintl.dll_1053	osfintl.dll	16.0.4873.1000	262696	12-Jun-19	09:31
osfintl.dll_1054	osfintl.dll	16.0.4873.1000	271832	12-Jun-19	09:31
osfintl.dll_1055	osfintl.dll	16.0.4873.1000	265768	12-Jun-19	09:31
osfintl.dll_1058	osfintl.dll	16.0.4873.1000	270808	12-Jun-19	09:31
osfintl.dll_1066	osfintl.dll	16.0.4873.1000	267224	12-Jun-19	08:55
osfintl.dll_2052	osfintl.dll	16.0.4873.1000	260568	12-Jun-19	09:31
osfintl.dll_1028	osfintl.dll	16.0.4873.1000	260560	12-Jun-19	09:31
osfintl.dll_1033	osfintl.dll	16.0.4873.1000	261104	12-Jun-19	09:31
minsbproxy.dll	minsbproxy.dll	16.0.4873.1000	58328	12-Jun-19	08:50
minsbroamingproxy.dll	minsbroamingproxy.dll	16.0.4873.1000	58328	12-Jun-19	08:50
msosb.dll	msosb.dll	16.0.4873.1000	225776	12-Jun-19	08:50
osf.dll	osf.dll	16.0.4873.1000	1832968	12-Jun-19	08:50
osfproxy.dll	osfproxy.dll	16.0.4873.1000	58328	12-Jun-19	08:50
osfroamingproxy.dll	osfroamingproxy.dll	16.0.4873.1000	58328	12-Jun-19	08:50
osfshared.dll	osfshared.dll	16.0.4864.1000	236000	11-Jun-19	03:43
osfui.dll	osfui.dll	16.0.4864.1000	504800	11-Jun-19	03:43
websb.dll	websandbox.dll	16.0.4873.1000	889304	12-Jun-19	08:50
minsbproxy.dll	minsbproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
minsbproxy.dll.x86	minsbproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55
minsbroamingproxy.dll	minsbroamingproxy.dll	16.0.4873.1000	51696	12-Jun-19	08:50
minsbroamingproxy.dll.x86	minsbroamingproxy.dll	16.0.4873.1000	51696	12-Jun-19	08:55
msosb.dll	msosb.dll	16.0.4873.1000	161328	12-Jun-19	08:50
msosb.dll.x86	msosb.dll	16.0.4873.1000	161328	12-Jun-19	08:55
osfproxy.dll	osfproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
osfproxy.dll.x86	osfproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55
osfroamingproxy.dll	osfroamingproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:50
osfroamingproxy.dll.x86	osfroamingproxy.dll	16.0.4873.1000	51672	12-Jun-19	08:55

How to get help and support for this security updateHelp for installing updates: Protect yourself online

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

Local support according to your country: International Support