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HistoryOct 12, 2021 - 7:00 a.m.

Description of the security update for Word 2016: October 12, 2021 (KB5002004)

2021-10-1207:00:00
Microsoft
support.microsoft.com
123

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 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

Description of the security update for Word 2016: October 12, 2021 (KB5002004)

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-2021-40486.

**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.

More information

Security update deployment information

For deployment information about this update, see Security update deployment information: October 12, 2021 (KB5006940).

Security update replacement information

This security update replaces previously released security update 5001949.

File hash information

File name SHA256 hash
word2016-kb5002004-fullfile-x86-glb.exe 52F9DDDF8AC6622211F22D47D13257DD598E001DC0CABB3FAC41AEC3C738CD46
word2016-kb5002004-fullfile-x64-glb.exe CA1FB78BB9A1C77439192D9A84AD63E13C4BB7D7E1C4067DCBCFCEB34CD3D53C

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 14-Sep-21 03:52
wwintl.dll_1025 wwintl.dll 16.0.4936.1000 823584 15-Sep-21 04:58
wwintl.dll_1026 wwintl.dll 16.0.4936.1000 820504 15-Sep-21 04:58
wwintl.dll_1029 wwintl.dll 16.0.4936.1000 876320 15-Sep-21 04:58
wwintl.dll_1030 wwintl.dll 16.0.4936.1000 807712 15-Sep-21 04:58
wwintl.dll_1031 wwintl.dll 16.0.4936.1000 888088 15-Sep-21 04:58
wwintl.dll_1032 wwintl.dll 16.0.4936.1000 877856 15-Sep-21 04:58
wwintl.dll_3082 wwintl.dll 16.0.4936.1000 847648 15-Sep-21 04:58
wwintl.dll_1061 wwintl.dll 16.0.4936.1000 770840 15-Sep-21 04:58
wwintl.dll_1035 wwintl.dll 16.0.4936.1000 818464 15-Sep-21 04:58
wwintl.dll_1036 wwintl.dll 16.0.4936.1000 883992 15-Sep-21 04:58
wwintl.dll_1037 wwintl.dll 16.0.4936.1000 762144 15-Sep-21 04:58
wwintl.dll_1081 wwintl.dll 16.0.4936.1000 865056 15-Sep-21 04:58
wwintl.dll_1050 wwintl.dll 16.0.4936.1000 830744 15-Sep-21 04:58
wwintl.dll_1038 wwintl.dll 16.0.4936.1000 886560 15-Sep-21 04:58
wwintl.dll_1057 wwintl.dll 16.0.4936.1000 779040 15-Sep-21 04:58
wwintl.dll_1040 wwintl.dll 16.0.4936.1000 838424 15-Sep-21 04:58
wwintl.dll_1041 wwintl.dll 16.0.4936.1000 790304 15-Sep-21 04:58
wwintl.dll_1087 wwintl.dll 16.0.4936.1000 880408 15-Sep-21 04:58
wwintl.dll_1042 wwintl.dll 16.0.4936.1000 783136 15-Sep-21 04:58
wwintl.dll_1063 wwintl.dll 16.0.4936.1000 836896 15-Sep-21 04:58
wwintl.dll_1062 wwintl.dll 16.0.4936.1000 824608 15-Sep-21 04:59
wwintl.dll_1086 wwintl.dll 16.0.4936.1000 782616 15-Sep-21 04:59
wwintl.dll_1044 wwintl.dll 16.0.4936.1000 797168 15-Sep-21 04:59
wwintl.dll_1043 wwintl.dll 16.0.4936.1000 835872 15-Sep-21 04:59
wwintl.dll_1045 wwintl.dll 16.0.4936.1000 852256 15-Sep-21 04:59
wwintl.dll_1046 wwintl.dll 16.0.4936.1000 853280 15-Sep-21 04:59
wwintl.dll_2070 wwintl.dll 16.0.4936.1000 861464 15-Sep-21 04:59
wwintl.dll_1048 wwintl.dll 16.0.4936.1000 896280 15-Sep-21 04:59
wwintl.dll_1049 wwintl.dll 16.0.4936.1000 809968 15-Sep-21 04:59
wwintl.dll_1051 wwintl.dll 16.0.4936.1000 891160 15-Sep-21 04:59
wwintl.dll_1060 wwintl.dll 16.0.4936.1000 821768 15-Sep-21 04:59
wwintl.dll_2074 wwintl.dll 16.0.4936.1000 817944 15-Sep-21 04:59
wwintl.dll_9242 wwintl.dll 16.0.4936.1000 817952 15-Sep-21 04:59
wwintl.dll_1053 wwintl.dll 16.0.4936.1000 803616 15-Sep-21 04:59
wwintl.dll_1054 wwintl.dll 16.0.4936.1000 825112 15-Sep-21 04:59
wwintl.dll_1055 wwintl.dll 16.0.4936.1000 881952 15-Sep-21 04:59
wwintl.dll_1058 wwintl.dll 16.0.4936.1000 820000 15-Sep-21 04:59
wwintl.dll_1066 wwintl.dll 16.0.4936.1000 912672 15-Sep-21 04:59
wwintl.dll_2052 wwintl.dll 16.0.4936.1000 697120 15-Sep-21 04:59
wwintl.dll_1028 wwintl.dll 16.0.4936.1000 706240 15-Sep-21 04:59
jrpcard20.dll_1041 jrpcard20.dll 16.0.4834.1000 330960 14-Sep-21 03:52
pdfreflow.exe pdfreflow.exe 16.0.5140.1000 10306344 14-Sep-21 03:50
wwintl.dll_1033 wwintl.dll 16.0.4936.1000 701152 14-Sep-21 03:48
msword.olb msword.olb 939304 14-Sep-21 03:50
winword.exe winword.exe 16.0.5227.1000 1937736 15-Sep-21 07:40
wrd12cnv.dll wordcnv.dll 16.0.5227.1000 9183560 15-Sep-21 07:40
wwlib.dll wwlib.dll 16.0.5227.1000 29627208 15-Sep-21 07:40

__

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 15-Sep-21 05:14
genko.dll genko.dll 16.0.5032.1000 513368 14-Sep-21 03:53
wdsrv.conversion.word.wwintl.dll_1025 wwintl.dll 16.0.5227.1000 944456 15-Sep-21 07:37
wwintl.dll_1025 wwintl.dll 16.0.5227.1000 944456 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1026 wwintl.dll 16.0.5227.1000 899376 15-Sep-21 07:37
wwintl.dll_1026 wwintl.dll 16.0.5227.1000 899376 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1029 wwintl.dll 16.0.5227.1000 955704 15-Sep-21 07:37
wwintl.dll_1029 wwintl.dll 16.0.5227.1000 955704 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1030 wwintl.dll 16.0.5227.1000 886576 15-Sep-21 07:37
wwintl.dll_1030 wwintl.dll 16.0.5227.1000 886576 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1031 wwintl.dll 16.0.5227.1000 966984 15-Sep-21 07:37
wwintl.dll_1031 wwintl.dll 16.0.5227.1000 966984 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1032 wwintl.dll 16.0.5227.1000 956744 15-Sep-21 07:37
wwintl.dll_1032 wwintl.dll 16.0.5227.1000 956744 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_3082 wwintl.dll 16.0.5227.1000 926536 15-Sep-21 07:37
wwintl.dll_3082 wwintl.dll 16.0.5227.1000 926536 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1061 wwintl.dll 16.0.5227.1000 849712 15-Sep-21 07:37
wwintl.dll_1061 wwintl.dll 16.0.5227.1000 849712 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1035 wwintl.dll 16.0.5227.1000 897352 15-Sep-21 07:37
wwintl.dll_1035 wwintl.dll 16.0.5227.1000 897352 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1036 wwintl.dll 16.0.5227.1000 962888 15-Sep-21 07:37
wwintl.dll_1036 wwintl.dll 16.0.5227.1000 962888 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1037 wwintl.dll 16.0.5227.1000 883008 15-Sep-21 07:37
wwintl.dll_1037 wwintl.dll 16.0.5227.1000 883008 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1081 wwintl.dll 16.0.5227.1000 944440 15-Sep-21 07:37
wwintl.dll_1081 wwintl.dll 16.0.5227.1000 944440 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1050 wwintl.dll 16.0.5227.1000 909624 15-Sep-21 07:37
wwintl.dll_1050 wwintl.dll 16.0.5227.1000 909624 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1038 wwintl.dll 16.0.5227.1000 965424 15-Sep-21 07:37
wwintl.dll_1038 wwintl.dll 16.0.5227.1000 965424 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1057 wwintl.dll 16.0.5227.1000 857904 15-Sep-21 07:37
wwintl.dll_1057 wwintl.dll 16.0.5227.1000 857904 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1040 wwintl.dll 16.0.5227.1000 917296 15-Sep-21 07:37
wwintl.dll_1040 wwintl.dll 16.0.5227.1000 917296 15-Sep-21 07:37
wac.word.wwintl.dll_1041 wwintl.dll 16.0.5227.1000 869176
wdsrv.conversion.word.wwintl.dll_1041 wwintl.dll 16.0.5227.1000 869176 15-Sep-21 07:37
wwintl.dll_1041 wwintl.dll 16.0.5227.1000 869176 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1087 wwintl.dll 16.0.5227.1000 959808 15-Sep-21 07:37
wwintl.dll_1087 wwintl.dll 16.0.5227.1000 959808 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1042 wwintl.dll 16.0.5227.1000 862512 15-Sep-21 07:37
wwintl.dll_1042 wwintl.dll 16.0.5227.1000 862512 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1063 wwintl.dll 16.0.5227.1000 916288 15-Sep-21 07:37
wwintl.dll_1063 wwintl.dll 16.0.5227.1000 916288 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1062 wwintl.dll 16.0.5227.1000 903488 15-Sep-21 07:37
wwintl.dll_1062 wwintl.dll 16.0.5227.1000 903488 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1086 wwintl.dll 16.0.5227.1000 862016 15-Sep-21 07:37
wwintl.dll_1086 wwintl.dll 16.0.5227.1000 862016 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1044 wwintl.dll 16.0.5227.1000 875832 15-Sep-21 07:37
wwintl.dll_1044 wwintl.dll 16.0.5227.1000 875832 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1043 wwintl.dll 16.0.5227.1000 915248 15-Sep-21 07:37
wwintl.dll_1043 wwintl.dll 16.0.5227.1000 915248 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1045 wwintl.dll 16.0.5227.1000 931632 15-Sep-21 07:37
wwintl.dll_1045 wwintl.dll 16.0.5227.1000 931632 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1046 wwintl.dll 16.0.5227.1000 932656 15-Sep-21 07:37
wwintl.dll_1046 wwintl.dll 16.0.5227.1000 932656 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_2070 wwintl.dll 16.0.5227.1000 940352 15-Sep-21 07:37
wwintl.dll_2070 wwintl.dll 16.0.5227.1000 940352 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1048 wwintl.dll 16.0.5227.1000 975688 15-Sep-21 07:37
wwintl.dll_1048 wwintl.dll 16.0.5227.1000 975688 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1049 wwintl.dll 16.0.5227.1000 888632 15-Sep-21 07:37
wwintl.dll_1049 wwintl.dll 16.0.5227.1000 888632 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1051 wwintl.dll 16.0.5227.1000 970552 15-Sep-21 07:37
wwintl.dll_1051 wwintl.dll 16.0.5227.1000 970552 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1060 wwintl.dll 16.0.5227.1000 900400 15-Sep-21 07:37
wwintl.dll_1060 wwintl.dll 16.0.5227.1000 900400 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_2074 wwintl.dll 16.0.5227.1000 896840 15-Sep-21 07:37
wwintl.dll_2074 wwintl.dll 16.0.5227.1000 896840 15-Sep-21 07:37
wac.word.wwintl.dll_9242 wwintl.dll 16.0.5227.1000 896840
wdsrv.conversion.word.wwintl.dll_9242 wwintl.dll 16.0.5227.1000 896840 15-Sep-21 07:37
wwintl.dll_9242 wwintl.dll 16.0.5227.1000 896840 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1053 wwintl.dll 16.0.5227.1000 882504 15-Sep-21 07:37
wwintl.dll_1053 wwintl.dll 16.0.5227.1000 882504 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1054 wwintl.dll 16.0.5227.1000 903960 15-Sep-21 07:37
wwintl.dll_1054 wwintl.dll 16.0.5227.1000 903960 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1055 wwintl.dll 16.0.5227.1000 960808 15-Sep-21 07:37
wwintl.dll_1055 wwintl.dll 16.0.5227.1000 960808 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1058 wwintl.dll 16.0.5227.1000 898840 15-Sep-21 07:37
wwintl.dll_1058 wwintl.dll 16.0.5227.1000 898840 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_1066 wwintl.dll 16.0.5227.1000 992040 15-Sep-21 07:37
wwintl.dll_1066 wwintl.dll 16.0.5227.1000 992040 15-Sep-21 07:37
wdsrv.conversion.word.wwintl.dll_2052 wwintl.dll 16.0.5227.1000 775984 15-Sep-21 07:38
wwintl.dll_2052 wwintl.dll 16.0.5227.1000 775984 15-Sep-21 07:38
wdsrv.conversion.word.wwintl.dll_1028 wwintl.dll 16.0.5227.1000 784680 15-Sep-21 07:38
wwintl.dll_1028 wwintl.dll 16.0.5227.1000 784680 15-Sep-21 07:38
jrpcard20.dll_1041 jrpcard20.dll 16.0.4834.1000 331168 14-Sep-21 03:53
pdfreflow.exe pdfreflow.exe 16.0.5140.1000 15919968 14-Sep-21 03:52
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 14-Sep-21 03:47
wwintl.dll_1033 wwintl.dll 16.0.4936.1000 780488 14-Sep-21 03:47
msword.olb msword.olb 939304 14-Sep-21 03:52
winword.exe winword.exe 16.0.5227.1000 1940760 15-Sep-21 07:40
wrd12cnv.dll wordcnv.dll 16.0.5227.1000 11890968 15-Sep-21 07:40
wwlib.dll wwlib.dll 16.0.5227.1000 37252392 15-Sep-21 07:40

Information about protection and security

Protect 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 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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