Summary

This security update resolves a Microsoft Office spoofing vulnerability. To learn more about the vulnerability, see ​​Microsoft Common Vulnerabilities and Exposures CVE-2023-41764.

Notes: 

  • To apply this security update, you must have the release version of Microsoft Office 2016 installed on the computer.

  • To fix this issue completely, you must install KB5002521 together with this update. Otherwise, you might experience an "Ordinal Not Found" error, and the app won't start.

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 Deployments - Security Update Guide.

Security update replacement information

This security update replaces previously released security update 5002465.

File hash information

File name

SHA256 hash

msodll302016-kb5002498-fullfile-x86-glb.exe

DC6A083CAAD03BBF0DC617248C0C8EA365DC3E4FE24655CB7E1F94EFC0CA844C

msodll302016-kb5002498-fullfile-x64-glb.exe

93A2F51158552556508EFFB363CFC0E7485A4A285E3065AF6E9D4A15795122EB

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

msointl30.dll.x86.1025

msointl30.dll

16.0.5409.1000

77112

16-Aug-23

11:27

msointl30.dll.x86.1026

msointl30.dll

16.0.5409.1000

81216

16-Aug-23

11:28

msointl30.dll.x86.1027

msointl30.dll

16.0.5409.1000

80264

16-Aug-23

11:44

msointl30.dll.x86.1029

msointl30.dll

16.0.5409.1000

87408

16-Aug-23

11:51

msointl30.dll.x86.1030

msointl30.dll

16.0.5409.1000

75640

16-Aug-23

11:28

msointl30.dll.x86.1031

msointl30.dll

16.0.5409.1000

88448

16-Aug-23

11:51

msointl30.dll.x86.1032

msointl30.dll

16.0.5409.1000

93544

16-Aug-23

11:28

msointl30.dll.x86.3082

msointl30.dll

16.0.5409.1000

79240

16-Aug-23

11:28

msointl30.dll.x86.1061

msointl30.dll

16.0.5409.1000

74112

16-Aug-23

11:28

msointl30.dll.x86.1069

msointl30.dll

16.0.5409.1000

76760

16-Aug-23

11:44

msointl30.dll.x86.1035

msointl30.dll

16.0.5409.1000

74704

16-Aug-23

11:28

msointl30.dll.x86.1036

msointl30.dll

16.0.5409.1000

85424

16-Aug-23

11:51

msointl30.dll.x86.1110

msointl30.dll

16.0.5409.1000

78296

16-Aug-23

11:44

msointl30.dll.x86.1095

msointl30.dll

16.0.5409.1000

88424

16-Aug-23

11:44

msointl30.dll.x86.1037

msointl30.dll

16.0.5409.1000

70456

16-Aug-23

11:28

msointl30.dll.x86.1081

msointl30.dll

16.0.5409.1000

90016

16-Aug-23

11:51

msointl30.dll.x86.1050

msointl30.dll

16.0.5409.1000

77784

16-Aug-23

11:28

msointl30.dll.x86.1038

msointl30.dll

16.0.5409.1000

87976

16-Aug-23

11:28

msointl30.dll.x86.1057

msointl30.dll

16.0.5409.1000

74712

16-Aug-23

11:28

msointl30.dll.x86.1040

msointl30.dll

16.0.5409.1000

76744

16-Aug-23

11:28

msointl30.dll.x86.1041

msointl30.dll

16.0.5409.1000

90568

16-Aug-23

11:27

msointl30.dll.x86.1087

msointl30.dll

16.0.5409.1000

89960

16-Aug-23

11:51

msointl30.dll.x86.1099

msointl30.dll

16.0.5409.1000

93592

16-Aug-23

11:44

msointl30.dll.x86.1042

msointl30.dll

16.0.5409.1000

86936

16-Aug-23

11:28

msointl30.dll.x86.1063

msointl30.dll

16.0.5409.1000

80328

16-Aug-23

11:51

msointl30.dll.x86.1062

msointl30.dll

16.0.5409.1000

80328

16-Aug-23

11:28

msointl30.dll.x86.1086

msointl30.dll

16.0.5409.1000

75704

16-Aug-23

11:28

msointl30.dll.x86.1044

msointl30.dll

16.0.5409.1000

73672

16-Aug-23

11:51

msointl30.dll.x86.1043

msointl30.dll

16.0.5409.1000

79288

16-Aug-23

11:28

msointl30.dll.x86.1045

msointl30.dll

16.0.5409.1000

87016

16-Aug-23

11:51

msointl30.dll.x86.1046

msointl30.dll

16.0.5409.1000

79320

16-Aug-23

11:28

msointl30.dll.x86.2070

msointl30.dll

16.0.5409.1000

80304

16-Aug-23

11:28

msointl30.dll.x86.1048

msointl30.dll

16.0.5409.1000

87960

16-Aug-23

11:51

msointl30.dll.x86.1049

msointl30.dll

16.0.5409.1000

78696

16-Aug-23

11:51

msointl30.dll.x86.1051

msointl30.dll

16.0.5409.1000

89536

16-Aug-23

11:28

msointl30.dll.x86.1060

msointl30.dll

16.0.5409.1000

79248

16-Aug-23

11:28

msointl30.dll.x86.2074

msointl30.dll

16.0.5408.1000

73624

16-Aug-23

11:51

msointl30.dll.x86.9242

msointl30.dll

16.0.5409.1000

80824

16-Aug-23

11:51

msointl30.dll.x86.1053

msointl30.dll

16.0.5409.1000

74624

16-Aug-23

11:28

msointl30.dll.x86.1054

msointl30.dll

16.0.5409.1000

84432

16-Aug-23

11:51

msointl30.dll.x86.1055

msointl30.dll

16.0.5409.1000

88520

16-Aug-23

11:28

msointl30.dll.x86.1058

msointl30.dll

16.0.5409.1000

80784

16-Aug-23

11:51

msointl30.dll.x86.1066

msointl30.dll

16.0.5409.1000

91048

16-Aug-23

11:28

msointl30.dll.x86.2052

msointl30.dll

16.0.5409.1000

72040

16-Aug-23

11:28

msointl30.dll.x86.1028

msointl30.dll

16.0.5409.1000

73616

16-Aug-23

11:28

mso30win32client.dll

mso30win32client.dll

16.0.5413.1000

4816960

mso30win32client.dll.x64

mso30win32client.dll

16.0.5413.1000

4816960

17-Aug-23

08:34

msointl30.dll.x86.1033

msointl30.dll

16.0.5408.1000

72600

15-Aug-23

03:47

mso30win32client.dll.x86

mso30win32client.dll

16.0.5413.1000

3237544

17-Aug-23

08:33

File identifier

File name

File version

File size

Date

Time

conversion.msoserver.msointl30_win32.dll_1025

msointl30_win32.dll

16.0.5409.1000

77208

16-Aug-23

11:53

msointl30.dll.x64.1025

msointl30.dll

16.0.5409.1000

77208

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1026

msointl30_win32.dll

16.0.5409.1000

81264

16-Aug-23

11:28

msointl30.dll.x64.1026

msointl30.dll

16.0.5409.1000

81264

16-Aug-23

11:28

conversion.msoserver.msointl30_win32.dll_1027

msointl30_win32.dll

16.0.5409.1000

80264

16-Aug-23

11:45

msointl30.dll.x64.1027

msointl30.dll

16.0.5409.1000

80264

16-Aug-23

11:45

conversion.msoserver.msointl30_win32.dll_1029

msointl30_win32.dll

16.0.5409.1000

87464

16-Aug-23

11:53

msointl30.dll.x64.1029

msointl30.dll

16.0.5409.1000

87464

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1030

msointl30_win32.dll

16.0.5409.1000

75648

16-Aug-23

11:53

msointl30.dll.x64.1030

msointl30.dll

16.0.5409.1000

75648

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1031

msointl30_win32.dll

16.0.5409.1000

88488

16-Aug-23

11:52

msointl30.dll.x64.1031

msointl30.dll

16.0.5409.1000

88488

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1032

msointl30_win32.dll

16.0.5409.1000

93496

16-Aug-23

11:53

msointl30.dll.x64.1032

msointl30.dll

16.0.5409.1000

93496

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_3082

msointl30_win32.dll

16.0.5409.1000

79232

16-Aug-23

11:52

msointl30.dll.x64.3082

msointl30.dll

16.0.5409.1000

79232

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1061

msointl30_win32.dll

16.0.5409.1000

74112

16-Aug-23

11:28

msointl30.dll.x64.1061

msointl30.dll

16.0.5409.1000

74112

16-Aug-23

11:28

conversion.msoserver.msointl30_win32.dll_1069

msointl30_win32.dll

16.0.5409.1000

76720

16-Aug-23

11:45

msointl30.dll.x64.1069

msointl30.dll

16.0.5409.1000

76720

16-Aug-23

11:45

conversion.msoserver.msointl30_win32.dll_1035

msointl30_win32.dll

16.0.5409.1000

74608

16-Aug-23

11:53

msointl30.dll.x64.1035

msointl30.dll

16.0.5409.1000

74608

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1036

msointl30_win32.dll

16.0.5409.1000

85384

16-Aug-23

11:52

msointl30.dll.x64.1036

msointl30.dll

16.0.5409.1000

85384

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1110

msointl30_win32.dll

16.0.5409.1000

78296

16-Aug-23

11:45

msointl30.dll.x64.1110

msointl30.dll

16.0.5409.1000

78296

16-Aug-23

11:45

msointl30.dll.x64.1095

msointl30.dll

16.0.5409.1000

88376

16-Aug-23

11:46

conversion.msoserver.msointl30_win32.dll_1037

msointl30_win32.dll

16.0.5409.1000

70456

16-Aug-23

11:53

msointl30.dll.x64.1037

msointl30.dll

16.0.5409.1000

70456

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1081

msointl30_win32.dll

16.0.5409.1000

90016

16-Aug-23

11:53

msointl30.dll.x64.1081

msointl30.dll

16.0.5409.1000

90016

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1050

msointl30_win32.dll

16.0.5409.1000

77696

16-Aug-23

11:53

msointl30.dll.x64.1050

msointl30.dll

16.0.5409.1000

77696

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1038

msointl30_win32.dll

16.0.5409.1000

87896

16-Aug-23

11:28

msointl30.dll.x64.1038

msointl30.dll

16.0.5409.1000

87896

16-Aug-23

11:28

conversion.msoserver.msointl30_win32.dll_1057

msointl30_win32.dll

16.0.5409.1000

74616

16-Aug-23

11:29

msointl30.dll.x64.1057

msointl30.dll

16.0.5409.1000

74616

16-Aug-23

11:29

conversion.msoserver.msointl30_win32.dll_1040

msointl30_win32.dll

16.0.5409.1000

76664

16-Aug-23

11:52

msointl30.dll.x64.1040

msointl30.dll

16.0.5409.1000

76664

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1041

msointl30_win32.dll

16.0.5409.1000

90480

16-Aug-23

11:52

msointl30.dll.x64.1041

msointl30.dll

16.0.5409.1000

90480

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1087

msointl30_win32.dll

16.0.5409.1000

89912

16-Aug-23

11:53

msointl30.dll.x64.1087

msointl30.dll

16.0.5409.1000

89912

16-Aug-23

11:53

msointl30.dll.x64.1099

msointl30.dll

16.0.5409.1000

93496

16-Aug-23

11:46

conversion.msoserver.msointl30_win32.dll_1042

msointl30_win32.dll

16.0.5409.1000

86848

16-Aug-23

11:52

msointl30.dll.x64.1042

msointl30.dll

16.0.5409.1000

86848

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1063

msointl30_win32.dll

16.0.5409.1000

80248

16-Aug-23

11:53

msointl30.dll.x64.1063

msointl30.dll

16.0.5409.1000

80248

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1062

msointl30_win32.dll

16.0.5409.1000

80240

16-Aug-23

11:53

msointl30.dll.x64.1062

msointl30.dll

16.0.5409.1000

80240

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1086

msointl30_win32.dll

16.0.5409.1000

75704

16-Aug-23

11:29

msointl30.dll.x64.1086

msointl30.dll

16.0.5409.1000

75704

16-Aug-23

11:29

conversion.msoserver.msointl30_win32.dll_1044

msointl30_win32.dll

16.0.5409.1000

73680

16-Aug-23

11:53

msointl30.dll.x64.1044

msointl30.dll

16.0.5409.1000

73680

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1043

msointl30_win32.dll

16.0.5409.1000

79288

16-Aug-23

11:53

msointl30.dll.x64.1043

msointl30.dll

16.0.5409.1000

79288

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1045

msointl30_win32.dll

16.0.5409.1000

87008

16-Aug-23

11:53

msointl30.dll.x64.1045

msointl30.dll

16.0.5409.1000

87008

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1046

msointl30_win32.dll

16.0.5409.1000

79320

16-Aug-23

11:53

msointl30.dll.x64.1046

msointl30.dll

16.0.5409.1000

79320

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_2070

msointl30_win32.dll

16.0.5409.1000

80344

16-Aug-23

11:53

msointl30.dll.x64.2070

msointl30.dll

16.0.5409.1000

80344

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1048

msointl30_win32.dll

16.0.5409.1000

87912

16-Aug-23

11:53

msointl30.dll.x64.1048

msointl30.dll

16.0.5409.1000

87912

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1049

msointl30_win32.dll

16.0.5409.1000

78696

16-Aug-23

11:53

msointl30.dll.x64.1049

msointl30.dll

16.0.5409.1000

78696

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1051

msointl30_win32.dll

16.0.5409.1000

89448

16-Aug-23

11:29

msointl30.dll.x64.1051

msointl30.dll

16.0.5409.1000

89448

16-Aug-23

11:29

conversion.msoserver.msointl30_win32.dll_1060

msointl30_win32.dll

16.0.5409.1000

79288

16-Aug-23

11:29

msointl30.dll.x64.1060

msointl30.dll

16.0.5409.1000

79288

16-Aug-23

11:29

conversion.msoserver.msointl30_win32.dll_2074

msointl30_win32.dll

16.0.5408.1000

73680

16-Aug-23

11:53

msointl30.dll.x64.2074

msointl30.dll

16.0.5408.1000

73680

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_9242

msointl30_win32.dll

16.0.5409.1000

80824

16-Aug-23

11:53

msointl30.dll.x64.9242

msointl30.dll

16.0.5409.1000

80824

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1053

msointl30_win32.dll

16.0.5409.1000

74712

16-Aug-23

11:53

msointl30.dll.x64.1053

msointl30.dll

16.0.5409.1000

74712

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1054

msointl30_win32.dll

16.0.5409.1000

84432

16-Aug-23

11:53

msointl30.dll.x64.1054

msointl30.dll

16.0.5409.1000

84432

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1055

msointl30_win32.dll

16.0.5409.1000

88520

16-Aug-23

11:53

msointl30.dll.x64.1055

msointl30.dll

16.0.5409.1000

88520

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1058

msointl30_win32.dll

16.0.5409.1000

80784

16-Aug-23

11:53

msointl30.dll.x64.1058

msointl30.dll

16.0.5409.1000

80784

16-Aug-23

11:53

conversion.msoserver.msointl30_win32.dll_1066

msointl30_win32.dll

16.0.5409.1000

91080

16-Aug-23

11:29

msointl30.dll.x64.1066

msointl30.dll

16.0.5409.1000

91080

16-Aug-23

11:29

conversion.msoserver.msointl30_win32.dll_2052

msointl30_win32.dll

16.0.5409.1000

72040

16-Aug-23

11:52

msointl30.dll.x64.2052

msointl30.dll

16.0.5409.1000

72040

16-Aug-23

11:52

conversion.msoserver.msointl30_win32.dll_1028

msointl30_win32.dll

16.0.5409.1000

73624

16-Aug-23

11:52

msointl30.dll.x64.1028

msointl30.dll

16.0.5409.1000

73624

16-Aug-23

11:52

msointl30.dll.x86.1025

msointl30.dll

16.0.5409.1000

77112

16-Aug-23

11:51

msointl30.dll.x86.1026

msointl30.dll

16.0.5409.1000

81216

16-Aug-23

11:28

msointl30.dll.x86.1029

msointl30.dll

16.0.5409.1000

87408

16-Aug-23

11:28

msointl30.dll.x86.1030

msointl30.dll

16.0.5409.1000

75640

16-Aug-23

11:51

msointl30.dll.x86.1031

msointl30.dll

16.0.5409.1000

88448

16-Aug-23

11:28

msointl30.dll.x86.1032

msointl30.dll

16.0.5409.1000

93544

16-Aug-23

11:51

msointl30.dll.x86.3082

msointl30.dll

16.0.5409.1000

79240

16-Aug-23

11:28

msointl30.dll.x86.1061

msointl30.dll

16.0.5409.1000

74112

16-Aug-23

11:28

msointl30.dll.x86.1035

msointl30.dll

16.0.5409.1000

74704

16-Aug-23

11:28

msointl30.dll.x86.1036

msointl30.dll

16.0.5409.1000

85424

16-Aug-23

11:51

msointl30.dll.x86.1037

msointl30.dll

16.0.5409.1000

70456

16-Aug-23

11:28

msointl30.dll.x86.1081

msointl30.dll

16.0.5409.1000

90016

16-Aug-23

11:28

msointl30.dll.x86.1050

msointl30.dll

16.0.5409.1000

77784

16-Aug-23

11:51

msointl30.dll.x86.1038

msointl30.dll

16.0.5409.1000

87976

16-Aug-23

11:28

msointl30.dll.x86.1057

msointl30.dll

16.0.5409.1000

74712

16-Aug-23

11:28

msointl30.dll.x86.1040

msointl30.dll

16.0.5409.1000

76744

16-Aug-23

11:28

msointl30.dll.x86.1041

msointl30.dll

16.0.5409.1000

90568

16-Aug-23

11:51

msointl30.dll.x86.1087

msointl30.dll

16.0.5409.1000

89960

16-Aug-23

11:28

msointl30.dll.x86.1042

msointl30.dll

16.0.5409.1000

86936

16-Aug-23

11:28

msointl30.dll.x86.1063

msointl30.dll

16.0.5409.1000

80328

16-Aug-23

11:51

msointl30.dll.x86.1062

msointl30.dll

16.0.5409.1000

80328

16-Aug-23

11:28

msointl30.dll.x86.1086

msointl30.dll

16.0.5409.1000

75704

16-Aug-23

11:28

msointl30.dll.x86.1044

msointl30.dll

16.0.5409.1000

73672

16-Aug-23

11:28

msointl30.dll.x86.1043

msointl30.dll

16.0.5409.1000

79288

16-Aug-23

11:51

msointl30.dll.x86.1045

msointl30.dll

16.0.5409.1000

87016

16-Aug-23

11:51

msointl30.dll.x86.1046

msointl30.dll

16.0.5409.1000

79320

16-Aug-23

11:28

msointl30.dll.x86.2070

msointl30.dll

16.0.5409.1000

80304

16-Aug-23

11:28

msointl30.dll.x86.1048

msointl30.dll

16.0.5409.1000

87960

16-Aug-23

11:51

msointl30.dll.x86.1049

msointl30.dll

16.0.5409.1000

78696

16-Aug-23

11:28

msointl30.dll.x86.1051

msointl30.dll

16.0.5409.1000

89536

16-Aug-23

11:28

msointl30.dll.x86.1060

msointl30.dll

16.0.5409.1000

79248

16-Aug-23

11:28

msointl30.dll.x86.2074

msointl30.dll

16.0.5408.1000

73624

16-Aug-23

11:51

msointl30.dll.x86.9242

msointl30.dll

16.0.5409.1000

80824

16-Aug-23

11:51

msointl30.dll.x86.1053

msointl30.dll

16.0.5409.1000

74624

16-Aug-23

11:28

msointl30.dll.x86.1054

msointl30.dll

16.0.5409.1000

84432

16-Aug-23

11:51

msointl30.dll.x86.1055

msointl30.dll

16.0.5409.1000

88520

16-Aug-23

11:28

msointl30.dll.x86.1058

msointl30.dll

16.0.5409.1000

80784

16-Aug-23

11:28

msointl30.dll.x86.1066

msointl30.dll

16.0.5409.1000

91048

16-Aug-23

11:28

msointl30.dll.x86.2052

msointl30.dll

16.0.5409.1000

72040

16-Aug-23

11:51

msointl30.dll.x86.1028

msointl30.dll

16.0.5409.1000

73616

16-Aug-23

11:28

conversion.msoserver.msointl30_win32.dll_1033

msointl30_win32.dll

16.0.5408.1000

72680

15-Aug-23

03:46

msointl30.dll.x64.1033

msointl30.dll

16.0.5408.1000

72680

15-Aug-23

03:46

mso30win32client.dll

mso30win32client.dll

16.0.5413.1000

4816960

mso30win32client.dll.x64

mso30win32client.dll

16.0.5413.1000

4816960

17-Aug-23

08:34

msointl30.dll.x86.1033

msointl30.dll

16.0.5408.1000

72600

15-Aug-23

03:47

mso30win32client.dll.x86

mso30win32client.dll

16.0.5413.1000

3237544

17-Aug-23

08:33

Information about protection and security

Protect yourself online: Windows Security support

Learn how we guard against cyber threats: Microsoft Security

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.