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mskbMicrosoftKB4493156
HistoryJan 12, 2021 - 8:00 a.m.

Description of the security update for Word 2016: January 12, 2021

2021-01-1208:00:00
Microsoft
support.microsoft.com
8

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

Description of the security update for Word 2016: January 12, 2021

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 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.

__

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-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

__

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-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

Information about protection and securityProtect yourself online: Windows Security supportLearn how we guard against cyber threats: Microsoft Security

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.2 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C