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 the following Security TechCenter articles:

Microsoft Common Vulnerabilities and Exposures CVE-2017-8571
Microsoft Common Vulnerabilities and Exposures CVE-2017-8572
Microsoft Common Vulnerabilities and Exposures CVE-2017-8663

Note To apply this security update, you must have the release version of Outlook 2016 installed on the computer.

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 stand-alone package for this update, go to the Microsoft Update Catalog website.

Method 3: Microsoft Download Center

You can get the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

More Information

Security update replacement information

This security update replaces the previously released update 3191932.

File hash information

File name

SHA1 hash

SHA256 hash

outlook2016-kb4011052-fullfile-x86-glb.exe

E61C99E1A0D653539B05704A2F6976F89096875D

BA947A9D6B00CF775C9E1FFE614BD26A5BAF57D801FF9DA21C25C72474D1B2C7

outlook2016-kb4011052-fullfile-x64-glb.exe

966A98C95E92E46CACA2DF74593BF660DA87B090

3E947996F37451089CC01126D0C619AF778B3DEA6BDC8608A8836D42597481AC

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the 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 the times may change when you perform certain operations on the files.

For all supported x86-based versions

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.4573.1000

152,824

18-Jul-2017

13:48

Dlgsetp.dll

Dlgsetp.dll

16.0.4573.1000

109,800

18-Jul-2017

13:48

Envelope.dll

Envelope.dll

16.0.4573.1000

189,192

18-Jul-2017

13:48

Mapiph.dll

Mapiph.dll

16.0.4498.1000

332,616

18-Jul-2017

13:48

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

18-Jul-2017

13:47

Mimedir.dll

Mimedir.dll

16.0.4573.1001

446,136

19-Jul-2017

11:40

Olmapi32.dll

Olmapi32.dll

16.0.4573.1001

4,785,408

19-Jul-2017

11:40

Omsmain.dll

Omsmain.dll

16.0.4573.1000

753,408

18-Jul-2017

13:48

Omsxp32.dll

Omsxp32.dll

16.0.4573.1000

261,416

18-Jul-2017

13:48

Outllibr.dll_1033

Outllibr.dll

16.0.4561.1000

7,492,328

18-Jul-2017

13:47

Outlmime.dll

Outlmime.dll

16.0.4573.1000

611,600

18-Jul-2017

13:48

Outlook.exe

Outlook.exe

16.0.4573.1001

23,204,032

19-Jul-2017

11:40

Outlook.hol_1033

Outlook.hol

Not applicable

1,336,794

18-Jul-2017

13:47

Outlph.dll

Outlph.dll

16.0.4534.1000

358,704

18-Jul-2017

13:48

Outlvba.dll

Outlvba.dll

16.0.4573.1000

76,536

18-Jul-2017

13:48

Pstprx32.dll

Pstprx32.dll

16.0.4573.1000

1,386,192

18-Jul-2017

13:48

Rm.dll

Rm.dll

16.0.4312.1000

81,584

18-Jul-2017

13:48

Scnpst32.dll

Scnpst32.dll

16.0.4573.1000

460,632

18-Jul-2017

13:48

Scnpst64.dll

Scnpst64.dll

16.0.4573.1000

472,424

18-Jul-2017

13:48

Scnpst64c.dll

Scnpst64c.dll

16.0.4573.1000

673,648

18-Jul-2017

13:48

For all supported x64-based versions

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.4573.1000

199,920

18-Jul-2017

13:55

Dlgsetp.dll

Dlgsetp.dll

16.0.4561.1000

138,472

18-Jul-2017

13:55

Envelope.dll

Envelope.dll

16.0.4573.1000

248,584

18-Jul-2017

13:55

Mapiph.dll

Mapiph.dll

16.0.4540.1000

481,088

18-Jul-2017

13:55

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

18-Jul-2017

13:54

Mimedir.dll

Mimedir.dll

16.0.4573.1001

601,280

19-Jul-2017

11:43

Olappt.fae

Olappt.fae

16.0.4366.1000

134,480

18-Jul-2017

13:55

Olmapi32.dll

Olmapi32.dll

16.0.4573.1001

6,618,368

19-Jul-2017

11:43

Omsmain.dll

Omsmain.dll

16.0.4573.1000

1,004,296

18-Jul-2017

13:55

Omsxp32.dll

Omsxp32.dll

16.0.4573.1000

352,040

18-Jul-2017

13:55

Outllibr.dll_1033

Outllibr.dll

16.0.4561.1000

7,492,328

18-Jul-2017

13:54

Outlmime.dll

Outlmime.dll

16.0.4573.1000

783,632

18-Jul-2017

13:55

Outlook.exe

Outlook.exe

16.0.4573.1001

34,998,472

19-Jul-2017

11:43

Outlook.hol_1033

Outlook.hol

Not applicable

1,336,794

18-Jul-2017

13:54

Outlph.dll

Outlph.dll

16.0.4375.1000

429,360

18-Jul-2017

13:55

Outlvba.dll

Outlvba.dll

16.0.4573.1000

97,016

18-Jul-2017

13:55

Pstprx32.dll

Pstprx32.dll

16.0.4573.1000

2,570,448

18-Jul-2017

13:55

Rm.dll

Rm.dll

16.0.4444.1000

110,800

18-Jul-2017

13:55

Scnpst32.dll

Scnpst32.dll

16.0.4561.1000

611,168

18-Jul-2017

13:55

Scnpst64.dll

Scnpst64.dll

16.0.4561.1000

614,248

18-Jul-2017

13:55

Scnpst64c.dll

Scnpst64c.dll

16.0.4561.1000

814,456

18-Jul-2017

13:55

How to get help and support for this security update

Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

Propose a feature or provide feedback on Office: Office User Voice portal

Need more help?

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