Summary
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-2021-1715 and Microsoft Common Vulnerabilities and Exposures CVE-2021-1716. Note To apply this security update, you must have the release version of 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?).
Improvements and fixes
This security update contains fixes for the following nonsecurity issues:
-
Fixes crashes that occur when you save documents in the .txt format if the documents contain a citation and a math formula.
-
Fixes crashes that can occur in certain unusual circumstances that involve proofing of multi-lingual documents.
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.
More information
Security update deployment information
For deployment information about this update, see security update deployment information: January 12, 2021.
Security update replacement information
This security update replaces previously released security update 4486719.
File hash information
File name |
SHA1 hash |
SHA256 hash |
---|---|---|
word2016-kb4493156-fullfile-x86-glb.exe |
3AF9B3ADEEAE7153E57CB221EB9B4DFC94F5030D |
C2FC216C182C03281E612928071BFF61D42DA1ABE358319F944348FA3421FA66 |
word2016-kb4493156-fullfile-x64-glb.exe |
66A2A4C57C8B8E0E6DE054075E627536DF69B5D2 |
93B29BFFF55B5645EC51234D930338BB3CD1E97317792F43CACE4ACBE6F401D8 |
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.
File identifier |
File name |
File version |
File size |
Date |
Time |
---|---|---|---|---|---|
genko.dll |
genko.dll |
16.0.5032.1000 |
402264 |
15-Dec-20 |
06:29 |
wwintl.dll_1025 |
wwintl.dll |
16.0.4936.1000 |
823584 |
16-Dec-20 |
07:26 |
wwintl.dll_1026 |
wwintl.dll |
16.0.4936.1000 |
820504 |
16-Dec-20 |
07:26 |
wwintl.dll_1029 |
wwintl.dll |
16.0.4936.1000 |
876320 |
16-Dec-20 |
07:26 |
wwintl.dll_1030 |
wwintl.dll |
16.0.4936.1000 |
807712 |
16-Dec-20 |
07:26 |
wwintl.dll_1031 |
wwintl.dll |
16.0.4936.1000 |
888088 |
16-Dec-20 |
07:26 |
wwintl.dll_1032 |
wwintl.dll |
16.0.4936.1000 |
877856 |
16-Dec-20 |
07:26 |
wwintl.dll_3082 |
wwintl.dll |
16.0.4936.1000 |
847648 |
16-Dec-20 |
07:26 |
wwintl.dll_1061 |
wwintl.dll |
16.0.4936.1000 |
770840 |
16-Dec-20 |
07:26 |
wwintl.dll_1035 |
wwintl.dll |
16.0.4936.1000 |
818464 |
16-Dec-20 |
07:26 |
wwintl.dll_1036 |
wwintl.dll |
16.0.4936.1000 |
883992 |
16-Dec-20 |
07:26 |
wwintl.dll_1037 |
wwintl.dll |
16.0.4936.1000 |
762144 |
16-Dec-20 |
07:26 |
wwintl.dll_1081 |
wwintl.dll |
16.0.4936.1000 |
865056 |
16-Dec-20 |
07:26 |
wwintl.dll_1050 |
wwintl.dll |
16.0.4936.1000 |
830744 |
16-Dec-20 |
07:26 |
wwintl.dll_1038 |
wwintl.dll |
16.0.4936.1000 |
886560 |
16-Dec-20 |
07:26 |
wwintl.dll_1057 |
wwintl.dll |
16.0.4936.1000 |
779040 |
16-Dec-20 |
07:26 |
wwintl.dll_1040 |
wwintl.dll |
16.0.4936.1000 |
838424 |
16-Dec-20 |
07:26 |
wwintl.dll_1041 |
wwintl.dll |
16.0.4936.1000 |
790304 |
16-Dec-20 |
07:26 |
wwintl.dll_1087 |
wwintl.dll |
16.0.4936.1000 |
880408 |
16-Dec-20 |
07:26 |
wwintl.dll_1042 |
wwintl.dll |
16.0.4936.1000 |
783136 |
16-Dec-20 |
07:27 |
wwintl.dll_1063 |
wwintl.dll |
16.0.4936.1000 |
836896 |
16-Dec-20 |
07:27 |
wwintl.dll_1062 |
wwintl.dll |
16.0.4936.1000 |
824608 |
16-Dec-20 |
07:27 |
wwintl.dll_1086 |
wwintl.dll |
16.0.4936.1000 |
782616 |
16-Dec-20 |
07:27 |
wwintl.dll_1044 |
wwintl.dll |
16.0.4936.1000 |
797168 |
16-Dec-20 |
07:27 |
wwintl.dll_1043 |
wwintl.dll |
16.0.4936.1000 |
835872 |
16-Dec-20 |
07:27 |
wwintl.dll_1045 |
wwintl.dll |
16.0.4936.1000 |
852256 |
16-Dec-20 |
07:27 |
wwintl.dll_1046 |
wwintl.dll |
16.0.4936.1000 |
853280 |
16-Dec-20 |
07:27 |
wwintl.dll_2070 |
wwintl.dll |
16.0.4936.1000 |
861464 |
16-Dec-20 |
07:27 |
wwintl.dll_1048 |
wwintl.dll |
16.0.4936.1000 |
896280 |
16-Dec-20 |
07:27 |
wwintl.dll_1049 |
wwintl.dll |
16.0.4936.1000 |
809968 |
16-Dec-20 |
07:27 |
wwintl.dll_1051 |
wwintl.dll |
16.0.4936.1000 |
891160 |
16-Dec-20 |
07:27 |
wwintl.dll_1060 |
wwintl.dll |
16.0.4936.1000 |
821768 |
16-Dec-20 |
07:27 |
wwintl.dll_2074 |
wwintl.dll |
16.0.4936.1000 |
817944 |
16-Dec-20 |
07:27 |
wwintl.dll_9242 |
wwintl.dll |
16.0.4936.1000 |
817952 |
16-Dec-20 |
07:27 |
wwintl.dll_1053 |
wwintl.dll |
16.0.4936.1000 |
803616 |
16-Dec-20 |
07:27 |
wwintl.dll_1054 |
wwintl.dll |
16.0.4936.1000 |
825112 |
16-Dec-20 |
07:27 |
wwintl.dll_1055 |
wwintl.dll |
16.0.4936.1000 |
881952 |
16-Dec-20 |
07:27 |
wwintl.dll_1058 |
wwintl.dll |
16.0.4936.1000 |
820000 |
16-Dec-20 |
07:27 |
wwintl.dll_1066 |
wwintl.dll |
16.0.4936.1000 |
912672 |
16-Dec-20 |
07:27 |
wwintl.dll_2052 |
wwintl.dll |
16.0.4936.1000 |
697120 |
16-Dec-20 |
07:27 |
wwintl.dll_1028 |
wwintl.dll |
16.0.4936.1000 |
706240 |
16-Dec-20 |
07:27 |
jrpcard20.dll_1041 |
jrpcard20.dll |
16.0.4834.1000 |
330960 |
15-Dec-20 |
06:29 |
pdfreflow.exe |
pdfreflow.exe |
16.0.5041.1000 |
10305848 |
15-Dec-20 |
06:26 |
wwintl.dll_1033 |
wwintl.dll |
16.0.4936.1000 |
701152 |
15-Dec-20 |
06:25 |
msword.olb |
msword.olb |
939304 |
15-Dec-20 |
06:26 |
|
winword.exe |
winword.exe |
16.0.5110.1000 |
1937712 |
16-Dec-20 |
08:14 |
wrd12cnv.dll |
wordcnv.dll |
16.0.5110.1000 |
9183016 |
16-Dec-20 |
08:14 |
wwlib.dll |
wwlib.dll |
16.0.5110.1000 |
29627184 |
16-Dec-20 |
08:14 |
File identifier |
File name |
File version |
File size |
Date |
Time |
---|---|---|---|---|---|
calligra.dll |
calligra.dll |
16.0.4528.1000 |
338688 |
16-Dec-20 |
07:43 |
genko.dll |
genko.dll |
16.0.5032.1000 |
513368 |
15-Dec-20 |
06:50 |
wdsrv.conversion.word.wwintl.dll_1025 |
wwintl.dll |
16.0.5110.1000 |
944432 |
16-Dec-20 |
08:10 |
wwintl.dll_1025 |
wwintl.dll |
16.0.5110.1000 |
944432 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1026 |
wwintl.dll |
16.0.5110.1000 |
899376 |
16-Dec-20 |
08:10 |
wwintl.dll_1026 |
wwintl.dll |
16.0.5110.1000 |
899376 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1029 |
wwintl.dll |
16.0.5110.1000 |
955688 |
16-Dec-20 |
08:10 |
wwintl.dll_1029 |
wwintl.dll |
16.0.5110.1000 |
955688 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1030 |
wwintl.dll |
16.0.5110.1000 |
886576 |
16-Dec-20 |
08:10 |
wwintl.dll_1030 |
wwintl.dll |
16.0.5110.1000 |
886576 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1031 |
wwintl.dll |
16.0.5110.1000 |
966960 |
16-Dec-20 |
08:10 |
wwintl.dll_1031 |
wwintl.dll |
16.0.5110.1000 |
966960 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1032 |
wwintl.dll |
16.0.5110.1000 |
956720 |
16-Dec-20 |
08:10 |
wwintl.dll_1032 |
wwintl.dll |
16.0.5110.1000 |
956720 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_3082 |
wwintl.dll |
16.0.5110.1000 |
926512 |
16-Dec-20 |
08:10 |
wwintl.dll_3082 |
wwintl.dll |
16.0.5110.1000 |
926512 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1061 |
wwintl.dll |
16.0.5110.1000 |
849712 |
16-Dec-20 |
08:10 |
wwintl.dll_1061 |
wwintl.dll |
16.0.5110.1000 |
849712 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1035 |
wwintl.dll |
16.0.5110.1000 |
897328 |
16-Dec-20 |
08:10 |
wwintl.dll_1035 |
wwintl.dll |
16.0.5110.1000 |
897328 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1036 |
wwintl.dll |
16.0.5110.1000 |
962864 |
16-Dec-20 |
08:10 |
wwintl.dll_1036 |
wwintl.dll |
16.0.5110.1000 |
962864 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1037 |
wwintl.dll |
16.0.5110.1000 |
882992 |
16-Dec-20 |
08:10 |
wwintl.dll_1037 |
wwintl.dll |
16.0.5110.1000 |
882992 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1081 |
wwintl.dll |
16.0.5110.1000 |
944432 |
16-Dec-20 |
08:10 |
wwintl.dll_1081 |
wwintl.dll |
16.0.5110.1000 |
944432 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1050 |
wwintl.dll |
16.0.5110.1000 |
909616 |
16-Dec-20 |
08:10 |
wwintl.dll_1050 |
wwintl.dll |
16.0.5110.1000 |
909616 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1038 |
wwintl.dll |
16.0.5110.1000 |
965424 |
16-Dec-20 |
08:10 |
wwintl.dll_1038 |
wwintl.dll |
16.0.5110.1000 |
965424 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1057 |
wwintl.dll |
16.0.5110.1000 |
857904 |
16-Dec-20 |
08:10 |
wwintl.dll_1057 |
wwintl.dll |
16.0.5110.1000 |
857904 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1040 |
wwintl.dll |
16.0.5110.1000 |
917296 |
16-Dec-20 |
08:10 |
wwintl.dll_1040 |
wwintl.dll |
16.0.5110.1000 |
917296 |
16-Dec-20 |
08:10 |
wac.word.wwintl.dll_1041 |
wwintl.dll |
16.0.5110.1000 |
869168 |
||
wdsrv.conversion.word.wwintl.dll_1041 |
wwintl.dll |
16.0.5110.1000 |
869168 |
16-Dec-20 |
08:10 |
wwintl.dll_1041 |
wwintl.dll |
16.0.5110.1000 |
869168 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1087 |
wwintl.dll |
16.0.5110.1000 |
959792 |
16-Dec-20 |
08:10 |
wwintl.dll_1087 |
wwintl.dll |
16.0.5110.1000 |
959792 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1042 |
wwintl.dll |
16.0.5110.1000 |
862512 |
16-Dec-20 |
08:10 |
wwintl.dll_1042 |
wwintl.dll |
16.0.5110.1000 |
862512 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1063 |
wwintl.dll |
16.0.5110.1000 |
916272 |
16-Dec-20 |
08:10 |
wwintl.dll_1063 |
wwintl.dll |
16.0.5110.1000 |
916272 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1062 |
wwintl.dll |
16.0.5110.1000 |
903472 |
16-Dec-20 |
08:10 |
wwintl.dll_1062 |
wwintl.dll |
16.0.5110.1000 |
903472 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1086 |
wwintl.dll |
16.0.5110.1000 |
862000 |
16-Dec-20 |
08:10 |
wwintl.dll_1086 |
wwintl.dll |
16.0.5110.1000 |
862000 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1044 |
wwintl.dll |
16.0.5110.1000 |
875824 |
16-Dec-20 |
08:10 |
wwintl.dll_1044 |
wwintl.dll |
16.0.5110.1000 |
875824 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1043 |
wwintl.dll |
16.0.5110.1000 |
915240 |
16-Dec-20 |
08:10 |
wwintl.dll_1043 |
wwintl.dll |
16.0.5110.1000 |
915240 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1045 |
wwintl.dll |
16.0.5110.1000 |
931624 |
16-Dec-20 |
08:10 |
wwintl.dll_1045 |
wwintl.dll |
16.0.5110.1000 |
931624 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1046 |
wwintl.dll |
16.0.5110.1000 |
932656 |
16-Dec-20 |
08:10 |
wwintl.dll_1046 |
wwintl.dll |
16.0.5110.1000 |
932656 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_2070 |
wwintl.dll |
16.0.5110.1000 |
940336 |
16-Dec-20 |
08:10 |
wwintl.dll_2070 |
wwintl.dll |
16.0.5110.1000 |
940336 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1048 |
wwintl.dll |
16.0.5110.1000 |
975664 |
16-Dec-20 |
08:10 |
wwintl.dll_1048 |
wwintl.dll |
16.0.5110.1000 |
975664 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1049 |
wwintl.dll |
16.0.5110.1000 |
888624 |
16-Dec-20 |
08:10 |
wwintl.dll_1049 |
wwintl.dll |
16.0.5110.1000 |
888624 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1051 |
wwintl.dll |
16.0.5110.1000 |
970544 |
16-Dec-20 |
08:10 |
wwintl.dll_1051 |
wwintl.dll |
16.0.5110.1000 |
970544 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_1060 |
wwintl.dll |
16.0.5110.1000 |
900400 |
16-Dec-20 |
08:10 |
wwintl.dll_1060 |
wwintl.dll |
16.0.5110.1000 |
900400 |
16-Dec-20 |
08:10 |
wdsrv.conversion.word.wwintl.dll_2074 |
wwintl.dll |
16.0.5110.1000 |
896816 |
16-Dec-20 |
08:11 |
wwintl.dll_2074 |
wwintl.dll |
16.0.5110.1000 |
896816 |
16-Dec-20 |
08:11 |
wac.word.wwintl.dll_9242 |
wwintl.dll |
16.0.5110.1000 |
896816 |
||
wdsrv.conversion.word.wwintl.dll_9242 |
wwintl.dll |
16.0.5110.1000 |
896816 |
16-Dec-20 |
08:11 |
wwintl.dll_9242 |
wwintl.dll |
16.0.5110.1000 |
896816 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1053 |
wwintl.dll |
16.0.5110.1000 |
882480 |
16-Dec-20 |
08:11 |
wwintl.dll_1053 |
wwintl.dll |
16.0.5110.1000 |
882480 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1054 |
wwintl.dll |
16.0.5110.1000 |
903984 |
16-Dec-20 |
08:11 |
wwintl.dll_1054 |
wwintl.dll |
16.0.5110.1000 |
903984 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1055 |
wwintl.dll |
16.0.5110.1000 |
960816 |
16-Dec-20 |
08:11 |
wwintl.dll_1055 |
wwintl.dll |
16.0.5110.1000 |
960816 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1058 |
wwintl.dll |
16.0.5110.1000 |
898864 |
16-Dec-20 |
08:11 |
wwintl.dll_1058 |
wwintl.dll |
16.0.5110.1000 |
898864 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1066 |
wwintl.dll |
16.0.5110.1000 |
992048 |
16-Dec-20 |
08:11 |
wwintl.dll_1066 |
wwintl.dll |
16.0.5110.1000 |
992048 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_2052 |
wwintl.dll |
16.0.5110.1000 |
775984 |
16-Dec-20 |
08:11 |
wwintl.dll_2052 |
wwintl.dll |
16.0.5110.1000 |
775984 |
16-Dec-20 |
08:11 |
wdsrv.conversion.word.wwintl.dll_1028 |
wwintl.dll |
16.0.5110.1000 |
784688 |
16-Dec-20 |
08:11 |
wwintl.dll_1028 |
wwintl.dll |
16.0.5110.1000 |
784688 |
16-Dec-20 |
08:11 |
jrpcard20.dll_1041 |
jrpcard20.dll |
16.0.4834.1000 |
331168 |
15-Dec-20 |
06:50 |
pdfreflow.exe |
pdfreflow.exe |
16.0.5041.1000 |
15920456 |
15-Dec-20 |
06:48 |
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-Dec-20 |
06:44 |
wwintl.dll_1033 |
wwintl.dll |
16.0.4936.1000 |
780488 |
15-Dec-20 |
06:44 |
msword.olb |
msword.olb |
939304 |
15-Dec-20 |
06:48 |
|
winword.exe |
winword.exe |
16.0.5110.1000 |
1940784 |
16-Dec-20 |
08:13 |
wrd12cnv.dll |
wordcnv.dll |
16.0.5110.1000 |
11889968 |
16-Dec-20 |
08:13 |
wwlib.dll |
wwlib.dll |
16.0.5110.1000 |
37252400 |
16-Dec-20 |
08:13 |
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