Description of the security update for Word 2016: July 13, 2021 (KB5001949)

Summary

This security update resolves a Microsoft Word remote code execution vulnerability. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2021-34452.

**Note:**To apply this security update, you must have the release version of Microsoft Word 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 5001949 for the 32-bit version of Word 2016
• Download security update 5001949 for the 64-bit version of Word 2016

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: July 13, 2021.

Security update replacement information

This security update replaces previously released security update 5001919.

File hash information

File name	SHA256 hash
word2016-kb5001949-fullfile-x86-glb.exe	A40E158286E32663AE7BE708CF59D71F1A7F3DCDBDF0C9C9A76ECB66E472BC50
word2016-kb5001949-fullfile-x64-glb.exe	0758F50AADE95E6ABF99FA945D63A48506883E775F6E15E9FCFACD7502C8851E

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.

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For all supported x86-based versions of Word 2016

File identifier	File name	File version	File size	Date	Time
genko.dll	genko.dll	16.0.5032.1000	402264	15-Jun-21	08:22
wwintl.dll_1025	wwintl.dll	16.0.4936.1000	823584	16-Jun-21	11:11
wwintl.dll_1026	wwintl.dll	16.0.4936.1000	820504	16-Jun-21	11:11
wwintl.dll_1029	wwintl.dll	16.0.4936.1000	876320	16-Jun-21	11:11
wwintl.dll_1030	wwintl.dll	16.0.4936.1000	807712	16-Jun-21	11:11
wwintl.dll_1031	wwintl.dll	16.0.4936.1000	888088	16-Jun-21	11:11
wwintl.dll_1032	wwintl.dll	16.0.4936.1000	877856	16-Jun-21	11:11
wwintl.dll_3082	wwintl.dll	16.0.4936.1000	847648	16-Jun-21	11:11
wwintl.dll_1061	wwintl.dll	16.0.4936.1000	770840	16-Jun-21	11:11
wwintl.dll_1035	wwintl.dll	16.0.4936.1000	818464	16-Jun-21	11:11
wwintl.dll_1036	wwintl.dll	16.0.4936.1000	883992	16-Jun-21	11:11
wwintl.dll_1037	wwintl.dll	16.0.4936.1000	762144	16-Jun-21	11:11
wwintl.dll_1081	wwintl.dll	16.0.4936.1000	865056	16-Jun-21	11:11
wwintl.dll_1050	wwintl.dll	16.0.4936.1000	830744	16-Jun-21	11:11
wwintl.dll_1038	wwintl.dll	16.0.4936.1000	886560	16-Jun-21	11:11
wwintl.dll_1057	wwintl.dll	16.0.4936.1000	779040	16-Jun-21	11:11
wwintl.dll_1040	wwintl.dll	16.0.4936.1000	838424	16-Jun-21	11:11
wwintl.dll_1041	wwintl.dll	16.0.4936.1000	790304	16-Jun-21	11:11
wwintl.dll_1087	wwintl.dll	16.0.4936.1000	880408	16-Jun-21	11:11
wwintl.dll_1042	wwintl.dll	16.0.4936.1000	783136	16-Jun-21	11:11
wwintl.dll_1063	wwintl.dll	16.0.4936.1000	836896	16-Jun-21	11:11
wwintl.dll_1062	wwintl.dll	16.0.4936.1000	824608	16-Jun-21	11:11
wwintl.dll_1086	wwintl.dll	16.0.4936.1000	782616	16-Jun-21	11:11
wwintl.dll_1044	wwintl.dll	16.0.4936.1000	797168	16-Jun-21	11:11
wwintl.dll_1043	wwintl.dll	16.0.4936.1000	835872	16-Jun-21	11:11
wwintl.dll_1045	wwintl.dll	16.0.4936.1000	852256	16-Jun-21	11:11
wwintl.dll_1046	wwintl.dll	16.0.4936.1000	853280	16-Jun-21	11:11
wwintl.dll_2070	wwintl.dll	16.0.4936.1000	861464	16-Jun-21	11:11
wwintl.dll_1048	wwintl.dll	16.0.4936.1000	896280	16-Jun-21	11:11
wwintl.dll_1049	wwintl.dll	16.0.4936.1000	809968	16-Jun-21	11:11
wwintl.dll_1051	wwintl.dll	16.0.4936.1000	891160	16-Jun-21	11:11
wwintl.dll_1060	wwintl.dll	16.0.4936.1000	821768	16-Jun-21	11:11
wwintl.dll_2074	wwintl.dll	16.0.4936.1000	817944	16-Jun-21	11:11
wwintl.dll_9242	wwintl.dll	16.0.4936.1000	817952	16-Jun-21	11:11
wwintl.dll_1053	wwintl.dll	16.0.4936.1000	803616	16-Jun-21	11:11
wwintl.dll_1054	wwintl.dll	16.0.4936.1000	825112	16-Jun-21	11:11
wwintl.dll_1055	wwintl.dll	16.0.4936.1000	881952	16-Jun-21	11:11
wwintl.dll_1058	wwintl.dll	16.0.4936.1000	820000	16-Jun-21	11:11
wwintl.dll_1066	wwintl.dll	16.0.4936.1000	912672	16-Jun-21	11:11
wwintl.dll_2052	wwintl.dll	16.0.4936.1000	697120	16-Jun-21	11:11
wwintl.dll_1028	wwintl.dll	16.0.4936.1000	706240	16-Jun-21	11:11
jrpcard20.dll_1041	jrpcard20.dll	16.0.4834.1000	330960	15-Jun-21	08:22
pdfreflow.exe	pdfreflow.exe	16.0.5140.1000	10306344	15-Jun-21	08:20
wwintl.dll_1033	wwintl.dll	16.0.4936.1000	701152	15-Jun-21	08:18
msword.olb	msword.olb		939304	15-Jun-21	08:20
winword.exe	winword.exe	16.0.5188.1000	1937712	17-Jun-21	12:30
wrd12cnv.dll	wordcnv.dll	16.0.5188.1000	9184072	17-Jun-21	12:29
wwlib.dll	wwlib.dll	16.0.5188.1000	29627696	17-Jun-21	12:30

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For all supported x64-based versions of Word 2016

File identifier	File name	File version	File size	Date	Time
calligra.dll	calligra.dll	16.0.4528.1000	338688	16-Jun-21	11:26
genko.dll	genko.dll	16.0.5032.1000	513368	15-Jun-21	08:23
wdsrv.conversion.word.wwintl.dll_1025	wwintl.dll	16.0.5188.1000	944400	17-Jun-21	12:25
wwintl.dll_1025	wwintl.dll	16.0.5188.1000	944400	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1026	wwintl.dll	16.0.5188.1000	899376	17-Jun-21	12:25
wwintl.dll_1026	wwintl.dll	16.0.5188.1000	899376	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1029	wwintl.dll	16.0.5188.1000	955720	17-Jun-21	12:25
wwintl.dll_1029	wwintl.dll	16.0.5188.1000	955720	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1030	wwintl.dll	16.0.5188.1000	886552	17-Jun-21	12:25
wwintl.dll_1030	wwintl.dll	16.0.5188.1000	886552	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1031	wwintl.dll	16.0.5188.1000	966984	17-Jun-21	12:25
wwintl.dll_1031	wwintl.dll	16.0.5188.1000	966984	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1032	wwintl.dll	16.0.5188.1000	956688	17-Jun-21	12:25
wwintl.dll_1032	wwintl.dll	16.0.5188.1000	956688	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_3082	wwintl.dll	16.0.5188.1000	926488	17-Jun-21	12:25
wwintl.dll_3082	wwintl.dll	16.0.5188.1000	926488	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1061	wwintl.dll	16.0.5188.1000	849688	17-Jun-21	12:25
wwintl.dll_1061	wwintl.dll	16.0.5188.1000	849688	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1035	wwintl.dll	16.0.5188.1000	897352	17-Jun-21	12:25
wwintl.dll_1035	wwintl.dll	16.0.5188.1000	897352	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1036	wwintl.dll	16.0.5188.1000	962832	17-Jun-21	12:25
wwintl.dll_1036	wwintl.dll	16.0.5188.1000	962832	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1037	wwintl.dll	16.0.5188.1000	882960	17-Jun-21	12:25
wwintl.dll_1037	wwintl.dll	16.0.5188.1000	882960	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1081	wwintl.dll	16.0.5188.1000	944400	17-Jun-21	12:25
wwintl.dll_1081	wwintl.dll	16.0.5188.1000	944400	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1050	wwintl.dll	16.0.5188.1000	909584	17-Jun-21	12:25
wwintl.dll_1050	wwintl.dll	16.0.5188.1000	909584	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1038	wwintl.dll	16.0.5188.1000	965424	17-Jun-21	12:25
wwintl.dll_1038	wwintl.dll	16.0.5188.1000	965424	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1057	wwintl.dll	16.0.5188.1000	857928	17-Jun-21	12:25
wwintl.dll_1057	wwintl.dll	16.0.5188.1000	857928	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1040	wwintl.dll	16.0.5188.1000	917272	17-Jun-21	12:25
wwintl.dll_1040	wwintl.dll	16.0.5188.1000	917272	17-Jun-21	12:25
wac.word.wwintl.dll_1041	wwintl.dll	16.0.5188.1000	869192
wdsrv.conversion.word.wwintl.dll_1041	wwintl.dll	16.0.5188.1000	869192	17-Jun-21	12:25
wwintl.dll_1041	wwintl.dll	16.0.5188.1000	869192	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1087	wwintl.dll	16.0.5188.1000	959808	17-Jun-21	12:25
wwintl.dll_1087	wwintl.dll	16.0.5188.1000	959808	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1042	wwintl.dll	16.0.5188.1000	862488	17-Jun-21	12:25
wwintl.dll_1042	wwintl.dll	16.0.5188.1000	862488	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1063	wwintl.dll	16.0.5188.1000	916256	17-Jun-21	12:25
wwintl.dll_1063	wwintl.dll	16.0.5188.1000	916256	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1062	wwintl.dll	16.0.5188.1000	903440	17-Jun-21	12:25
wwintl.dll_1062	wwintl.dll	16.0.5188.1000	903440	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1086	wwintl.dll	16.0.5188.1000	862000	17-Jun-21	12:25
wwintl.dll_1086	wwintl.dll	16.0.5188.1000	862000	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1044	wwintl.dll	16.0.5188.1000	875824	17-Jun-21	12:25
wwintl.dll_1044	wwintl.dll	16.0.5188.1000	875824	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1043	wwintl.dll	16.0.5188.1000	915272	17-Jun-21	12:25
wwintl.dll_1043	wwintl.dll	16.0.5188.1000	915272	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1045	wwintl.dll	16.0.5188.1000	931600	17-Jun-21	12:25
wwintl.dll_1045	wwintl.dll	16.0.5188.1000	931600	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_1046	wwintl.dll	16.0.5188.1000	932632	17-Jun-21	12:25
wwintl.dll_1046	wwintl.dll	16.0.5188.1000	932632	17-Jun-21	12:25
wdsrv.conversion.word.wwintl.dll_2070	wwintl.dll	16.0.5188.1000	940304	17-Jun-21	12:26
wwintl.dll_2070	wwintl.dll	16.0.5188.1000	940304	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1048	wwintl.dll	16.0.5188.1000	975640	17-Jun-21	12:26
wwintl.dll_1048	wwintl.dll	16.0.5188.1000	975640	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1049	wwintl.dll	16.0.5188.1000	888624	17-Jun-21	12:26
wwintl.dll_1049	wwintl.dll	16.0.5188.1000	888624	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1051	wwintl.dll	16.0.5188.1000	970568	17-Jun-21	12:26
wwintl.dll_1051	wwintl.dll	16.0.5188.1000	970568	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1060	wwintl.dll	16.0.5188.1000	900368	17-Jun-21	12:26
wwintl.dll_1060	wwintl.dll	16.0.5188.1000	900368	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_2074	wwintl.dll	16.0.5188.1000	896792	17-Jun-21	12:26
wwintl.dll_2074	wwintl.dll	16.0.5188.1000	896792	17-Jun-21	12:26
wac.word.wwintl.dll_9242	wwintl.dll	16.0.5188.1000	896784
wdsrv.conversion.word.wwintl.dll_9242	wwintl.dll	16.0.5188.1000	896784	17-Jun-21	12:26
wwintl.dll_9242	wwintl.dll	16.0.5188.1000	896784	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1053	wwintl.dll	16.0.5188.1000	882448	17-Jun-21	12:26
wwintl.dll_1053	wwintl.dll	16.0.5188.1000	882448	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1054	wwintl.dll	16.0.5188.1000	903984	17-Jun-21	12:26
wwintl.dll_1054	wwintl.dll	16.0.5188.1000	903984	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1055	wwintl.dll	16.0.5188.1000	960792	17-Jun-21	12:26
wwintl.dll_1055	wwintl.dll	16.0.5188.1000	960792	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1058	wwintl.dll	16.0.5188.1000	898888	17-Jun-21	12:26
wwintl.dll_1058	wwintl.dll	16.0.5188.1000	898888	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1066	wwintl.dll	16.0.5188.1000	992048	17-Jun-21	12:26
wwintl.dll_1066	wwintl.dll	16.0.5188.1000	992048	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_2052	wwintl.dll	16.0.5188.1000	775984	17-Jun-21	12:26
wwintl.dll_2052	wwintl.dll	16.0.5188.1000	775984	17-Jun-21	12:26
wdsrv.conversion.word.wwintl.dll_1028	wwintl.dll	16.0.5188.1000	784704	17-Jun-21	12:26
wwintl.dll_1028	wwintl.dll	16.0.5188.1000	784704	17-Jun-21	12:26
jrpcard20.dll_1041	jrpcard20.dll	16.0.4834.1000	331168	15-Jun-21	08:23
pdfreflow.exe	pdfreflow.exe	16.0.5140.1000	15919968	15-Jun-21	08:21
wac.word.wwintl.dll_1033	wwintl.dll	16.0.4936.1000	780488
wdsrv.conversion.word.wwintl.dll_1033	wwintl.dll	16.0.4936.1000	780488	15-Jun-21	08:17
wwintl.dll_1033	wwintl.dll	16.0.4936.1000	780488	15-Jun-21	08:17
msword.olb	msword.olb		939304	15-Jun-21	08:21
winword.exe	winword.exe	16.0.5188.1000	1940760	17-Jun-21	12:28
wrd12cnv.dll	wordcnv.dll	16.0.5188.1000	11890968	17-Jun-21	12:28
wwlib.dll	wwlib.dll	16.0.5188.1000	37252424	17-Jun-21	12:28

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