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Description of the security update for Word 2016: April 13, 2021 (KB4493198)

Description

None ## 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-2021-28453](<https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-28453>). **Note: **To apply this security update, you must have the release version of Microsoft 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?](<https://support.office.com/article/About-Office-What-version-of-Office-am-I-using-932788B8-A3CE-44BF-BB09-E334518B8B19>)). ## Improvements and fixes Group Policy templates have been updated for Office applications. This update enables Word to support the new templates. After you install this update, the following settings are turned on by default: * Stop checking for table alt text accessibility information * Stop checking to ensure hyperlink text is meaningful * Stop checking to ensure hyperlink text extension is meaningful if they include extensions * Stop checking for blank table rows and columns * Stop checking to ensure headings are succinct * Stop checking whether blank characters are used for formatting * Stop checking for image watermarks * Stop checking to ensure styles have been used frequently * Stop checking to ensure heading styles do not skip style level ## 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](<https://support.microsoft.com/help/12373/windows-update-faq>). ### Method 2: Microsoft Update Catalog To get the standalone package for this update, go to the [Microsoft Update Catalog](<http://www.catalog.update.microsoft.com/Search.aspx?q=KB4493198>) 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 4493198 for the 32-bit version of Word 2016](<http://www.microsoft.com/download/details.aspx?familyid=bbef88f1-bd8f-44a3-b492-fca2ffa09f77>) * [Download security update 4493198 for the 64-bit version of Word 2016](<http://www.microsoft.com/download/details.aspx?familyid=96ec565b-afe6-4500-ad38-96761f1035fb>) ## More information ### Security update deployment information For deployment information about this update, see Security update deployment information: April 13, 2021. ### Security update replacement information This security update replaces previously released security update [4493156](<https://support.microsoft.com/kb/4493156>). ### File hash information File name| SHA1 hash| SHA256 hash ---|---|--- word2016-kb4493198-fullfile-x86-glb.exe| D56475AC15B7CF99D75BD922F53AE83E75E4401C| DAFFA6B5F49F8AF982FA84D2BF2378A408DA9D5B14571A03721A1867863A4F9E word2016-kb4493198-fullfile-x64-glb.exe| 15EC3948335DD395456CF39299CEEDDC1EA25985| 753CC0472E503F71D58F94E1D87CFE7505C2A5638894EECC183B8A241326FDC5 ### 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 Word 2016 File identifier| File name| File version| File size| Date| Time ---|---|---|---|---|--- genko.dll| genko.dll| 16.0.5032.1000| 402264| 16-Mar-21| 06:36 wwintl.dll_1025| wwintl.dll| 16.0.4936.1000| 823584| 23-Mar-21| 07:15 wwintl.dll_1026| wwintl.dll| 16.0.4936.1000| 820504| 23-Mar-21| 07:15 wwintl.dll_1029| wwintl.dll| 16.0.4936.1000| 876320| 23-Mar-21| 07:15 wwintl.dll_1030| wwintl.dll| 16.0.4936.1000| 807712| 23-Mar-21| 07:15 wwintl.dll_1031| wwintl.dll| 16.0.4936.1000| 888088| 23-Mar-21| 07:15 wwintl.dll_1032| wwintl.dll| 16.0.4936.1000| 877856| 23-Mar-21| 07:15 wwintl.dll_3082| wwintl.dll| 16.0.4936.1000| 847648| 23-Mar-21| 07:15 wwintl.dll_1061| wwintl.dll| 16.0.4936.1000| 770840| 23-Mar-21| 07:15 wwintl.dll_1035| wwintl.dll| 16.0.4936.1000| 818464| 23-Mar-21| 07:16 wwintl.dll_1036| wwintl.dll| 16.0.4936.1000| 883992| 23-Mar-21| 07:16 wwintl.dll_1037| wwintl.dll| 16.0.4936.1000| 762144| 23-Mar-21| 07:16 wwintl.dll_1081| wwintl.dll| 16.0.4936.1000| 865056| 23-Mar-21| 07:16 wwintl.dll_1050| wwintl.dll| 16.0.4936.1000| 830744| 23-Mar-21| 07:16 wwintl.dll_1038| wwintl.dll| 16.0.4936.1000| 886560| 23-Mar-21| 07:16 wwintl.dll_1057| wwintl.dll| 16.0.4936.1000| 779040| 23-Mar-21| 07:16 wwintl.dll_1040| wwintl.dll| 16.0.4936.1000| 838424| 23-Mar-21| 07:16 wwintl.dll_1041| wwintl.dll| 16.0.4936.1000| 790304| 23-Mar-21| 07:15 wwintl.dll_1087| wwintl.dll| 16.0.4936.1000| 880408| 23-Mar-21| 07:16 wwintl.dll_1042| wwintl.dll| 16.0.4936.1000| 783136| 23-Mar-21| 07:16 wwintl.dll_1063| wwintl.dll| 16.0.4936.1000| 836896| 23-Mar-21| 07:16 wwintl.dll_1062| wwintl.dll| 16.0.4936.1000| 824608| 23-Mar-21| 07:16 wwintl.dll_1086| wwintl.dll| 16.0.4936.1000| 782616| 23-Mar-21| 07:16 wwintl.dll_1044| wwintl.dll| 16.0.4936.1000| 797168| 23-Mar-21| 07:16 wwintl.dll_1043| wwintl.dll| 16.0.4936.1000| 835872| 23-Mar-21| 07:16 wwintl.dll_1045| wwintl.dll| 16.0.4936.1000| 852256| 23-Mar-21| 07:16 wwintl.dll_1046| wwintl.dll| 16.0.4936.1000| 853280| 23-Mar-21| 07:16 wwintl.dll_2070| wwintl.dll| 16.0.4936.1000| 861464| 23-Mar-21| 07:16 wwintl.dll_1048| wwintl.dll| 16.0.4936.1000| 896280| 23-Mar-21| 07:16 wwintl.dll_1049| wwintl.dll| 16.0.4936.1000| 809968| 23-Mar-21| 07:16 wwintl.dll_1051| wwintl.dll| 16.0.4936.1000| 891160| 23-Mar-21| 07:16 wwintl.dll_1060| wwintl.dll| 16.0.4936.1000| 821768| 23-Mar-21| 07:16 wwintl.dll_2074| wwintl.dll| 16.0.4936.1000| 817944| 23-Mar-21| 07:16 wwintl.dll_9242| wwintl.dll| 16.0.4936.1000| 817952| 23-Mar-21| 07:16 wwintl.dll_1053| wwintl.dll| 16.0.4936.1000| 803616| 23-Mar-21| 07:16 wwintl.dll_1054| wwintl.dll| 16.0.4936.1000| 825112| 23-Mar-21| 07:16 wwintl.dll_1055| wwintl.dll| 16.0.4936.1000| 881952| 23-Mar-21| 07:16 wwintl.dll_1058| wwintl.dll| 16.0.4936.1000| 820000| 23-Mar-21| 07:16 wwintl.dll_1066| wwintl.dll| 16.0.4936.1000| 912672| 23-Mar-21| 07:16 wwintl.dll_2052| wwintl.dll| 16.0.4936.1000| 697120| 23-Mar-21| 07:16 wwintl.dll_1028| wwintl.dll| 16.0.4936.1000| 706240| 23-Mar-21| 07:16 jrpcard20.dll_1041| jrpcard20.dll| 16.0.4834.1000| 330960| 16-Mar-21| 06:36 pdfreflow.exe| pdfreflow.exe| 16.0.5140.1000| 10306344| 16-Mar-21| 06:34 wwintl.dll_1033| wwintl.dll| 16.0.4936.1000| 701152| 16-Mar-21| 06:33 msword.olb| msword.olb| | 939304| 16-Mar-21| 06:34 winword.exe| winword.exe| 16.0.5149.1000| 1937232| 24-Mar-21| 12:00 wrd12cnv.dll| wordcnv.dll| 16.0.5149.1000| 9135432| 24-Mar-21| 12:00 wwlib.dll| wwlib.dll| 16.0.5149.1000| 28916560| 24-Mar-21| 12:00 ## __ 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| 23-Mar-21| 07:33 genko.dll| genko.dll| 16.0.5032.1000| 513368| 16-Mar-21| 06:39 wdsrv.conversion.word.wwintl.dll_1025| wwintl.dll| 16.0.5149.1000| 944400| 23-Mar-21| 11:56 wwintl.dll_1025| wwintl.dll| 16.0.5149.1000| 944400| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1026| wwintl.dll| 16.0.5149.1000| 899352| 23-Mar-21| 11:56 wwintl.dll_1026| wwintl.dll| 16.0.5149.1000| 899352| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1029| wwintl.dll| 16.0.5149.1000| 955680| 23-Mar-21| 11:56 wwintl.dll_1029| wwintl.dll| 16.0.5149.1000| 955680| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1030| wwintl.dll| 16.0.5149.1000| 886560| 23-Mar-21| 11:56 wwintl.dll_1030| wwintl.dll| 16.0.5149.1000| 886560| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1031| wwintl.dll| 16.0.5149.1000| 966936| 23-Mar-21| 11:56 wwintl.dll_1031| wwintl.dll| 16.0.5149.1000| 966936| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1032| wwintl.dll| 16.0.5149.1000| 956696| 23-Mar-21| 11:56 wwintl.dll_1032| wwintl.dll| 16.0.5149.1000| 956696| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_3082| wwintl.dll| 16.0.5149.1000| 926512| 23-Mar-21| 11:56 wwintl.dll_3082| wwintl.dll| 16.0.5149.1000| 926512| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1061| wwintl.dll| 16.0.5149.1000| 849688| 23-Mar-21| 11:56 wwintl.dll_1061| wwintl.dll| 16.0.5149.1000| 849688| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1035| wwintl.dll| 16.0.5149.1000| 897304| 23-Mar-21| 11:56 wwintl.dll_1035| wwintl.dll| 16.0.5149.1000| 897304| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1036| wwintl.dll| 16.0.5149.1000| 962840| 23-Mar-21| 11:56 wwintl.dll_1036| wwintl.dll| 16.0.5149.1000| 962840| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1037| wwintl.dll| 16.0.5149.1000| 882968| 23-Mar-21| 11:56 wwintl.dll_1037| wwintl.dll| 16.0.5149.1000| 882968| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1081| wwintl.dll| 16.0.5149.1000| 944408| 23-Mar-21| 11:56 wwintl.dll_1081| wwintl.dll| 16.0.5149.1000| 944408| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1050| wwintl.dll| 16.0.5149.1000| 909592| 23-Mar-21| 11:56 wwintl.dll_1050| wwintl.dll| 16.0.5149.1000| 909592| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1038| wwintl.dll| 16.0.5149.1000| 965424| 23-Mar-21| 11:56 wwintl.dll_1038| wwintl.dll| 16.0.5149.1000| 965424| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1057| wwintl.dll| 16.0.5149.1000| 857888| 23-Mar-21| 11:56 wwintl.dll_1057| wwintl.dll| 16.0.5149.1000| 857888| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1040| wwintl.dll| 16.0.5149.1000| 917272| 23-Mar-21| 11:56 wwintl.dll_1040| wwintl.dll| 16.0.5149.1000| 917272| 23-Mar-21| 11:56 wac.word.wwintl.dll_1041| wwintl.dll| 16.0.5149.1000| 869144| | wdsrv.conversion.word.wwintl.dll_1041| wwintl.dll| 16.0.5149.1000| 869144| 23-Mar-21| 11:56 wwintl.dll_1041| wwintl.dll| 16.0.5149.1000| 869144| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1087| wwintl.dll| 16.0.5149.1000| 959776| 23-Mar-21| 11:56 wwintl.dll_1087| wwintl.dll| 16.0.5149.1000| 959776| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1042| wwintl.dll| 16.0.5149.1000| 862488| 23-Mar-21| 11:56 wwintl.dll_1042| wwintl.dll| 16.0.5149.1000| 862488| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1063| wwintl.dll| 16.0.5149.1000| 916256| 23-Mar-21| 11:56 wwintl.dll_1063| wwintl.dll| 16.0.5149.1000| 916256| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1062| wwintl.dll| 16.0.5149.1000| 903448| 23-Mar-21| 11:56 wwintl.dll_1062| wwintl.dll| 16.0.5149.1000| 903448| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1086| wwintl.dll| 16.0.5149.1000| 861976| 23-Mar-21| 11:56 wwintl.dll_1086| wwintl.dll| 16.0.5149.1000| 861976| 23-Mar-21| 11:56 wdsrv.conversion.word.wwintl.dll_1044| wwintl.dll| 16.0.5149.1000| 875792| 23-Mar-21| 11:57 wwintl.dll_1044| wwintl.dll| 16.0.5149.1000| 875792| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1043| wwintl.dll| 16.0.5149.1000| 915232| 23-Mar-21| 11:57 wwintl.dll_1043| wwintl.dll| 16.0.5149.1000| 915232| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1045| wwintl.dll| 16.0.5149.1000| 931608| 23-Mar-21| 11:57 wwintl.dll_1045| wwintl.dll| 16.0.5149.1000| 931608| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1046| wwintl.dll| 16.0.5149.1000| 932624| 23-Mar-21| 11:57 wwintl.dll_1046| wwintl.dll| 16.0.5149.1000| 932624| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_2070| wwintl.dll| 16.0.5149.1000| 940320| 23-Mar-21| 11:57 wwintl.dll_2070| wwintl.dll| 16.0.5149.1000| 940320| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1048| wwintl.dll| 16.0.5149.1000| 975640| 23-Mar-21| 11:57 wwintl.dll_1048| wwintl.dll| 16.0.5149.1000| 975640| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1049| wwintl.dll| 16.0.5149.1000| 888600| 23-Mar-21| 11:57 wwintl.dll_1049| wwintl.dll| 16.0.5149.1000| 888600| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1051| wwintl.dll| 16.0.5149.1000| 970528| 23-Mar-21| 11:57 wwintl.dll_1051| wwintl.dll| 16.0.5149.1000| 970528| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1060| wwintl.dll| 16.0.5149.1000| 900384| 23-Mar-21| 11:57 wwintl.dll_1060| wwintl.dll| 16.0.5149.1000| 900384| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_2074| wwintl.dll| 16.0.5149.1000| 896792| 23-Mar-21| 11:57 wwintl.dll_2074| wwintl.dll| 16.0.5149.1000| 896792| 23-Mar-21| 11:57 wac.word.wwintl.dll_9242| wwintl.dll| 16.0.5149.1000| 896792| | wdsrv.conversion.word.wwintl.dll_9242| wwintl.dll| 16.0.5149.1000| 896792| 23-Mar-21| 11:57 wwintl.dll_9242| wwintl.dll| 16.0.5149.1000| 896792| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1053| wwintl.dll| 16.0.5149.1000| 882456| 23-Mar-21| 11:57 wwintl.dll_1053| wwintl.dll| 16.0.5149.1000| 882456| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1054| wwintl.dll| 16.0.5149.1000| 903968| 23-Mar-21| 11:57 wwintl.dll_1054| wwintl.dll| 16.0.5149.1000| 903968| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1055| wwintl.dll| 16.0.5149.1000| 960792| 23-Mar-21| 11:57 wwintl.dll_1055| wwintl.dll| 16.0.5149.1000| 960792| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1058| wwintl.dll| 16.0.5149.1000| 898848| 23-Mar-21| 11:57 wwintl.dll_1058| wwintl.dll| 16.0.5149.1000| 898848| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1066| wwintl.dll| 16.0.5149.1000| 992024| 23-Mar-21| 11:57 wwintl.dll_1066| wwintl.dll| 16.0.5149.1000| 992024| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_2052| wwintl.dll| 16.0.5149.1000| 775968| 23-Mar-21| 11:57 wwintl.dll_2052| wwintl.dll| 16.0.5149.1000| 775968| 23-Mar-21| 11:57 wdsrv.conversion.word.wwintl.dll_1028| wwintl.dll| 16.0.5149.1000| 784672| 23-Mar-21| 11:57 wwintl.dll_1028| wwintl.dll| 16.0.5149.1000| 784672| 23-Mar-21| 11:57 jrpcard20.dll_1041| jrpcard20.dll| 16.0.4834.1000| 331168| 16-Mar-21| 06:39 pdfreflow.exe| pdfreflow.exe| 16.0.5140.1000| 15919968| 16-Mar-21| 06:38 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| 16-Mar-21| 06:33 wwintl.dll_1033| wwintl.dll| 16.0.4936.1000| 780488| 16-Mar-21| 06:33 msword.olb| msword.olb| | 939304| 16-Mar-21| 06:38 winword.exe| winword.exe| 16.0.5149.1000| 1940784| 23-Mar-21| 11:59 wrd12cnv.dll| wordcnv.dll| 16.0.5149.1000| 11890456| 23-Mar-21| 11:59 wwlib.dll| wwlib.dll| 16.0.5149.1000| 37252416| 23-Mar-21| 11:59 ## Information about protection and security Protect yourself online: [Windows Security support](<https://support.microsoft.com/hub/4099151>)Learn how we guard against cyber threats: [Microsoft Security](<https://www.microsoft.com/security>)


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