Semi-Annual Channel (Targeted)

January 9, 2018
Version 1708 (Build 8431.2153)




Excel: Security updates

This channel release contains security updates covered in the following CVEs and advisories:


Excel: Non-security updates

This channel release contains the following non-security updates:

  • Fix an issue where the programmatic creation of a PivotTable followed by a programmatic refresh causes Excel to crash.

Outlook: Security updates

This channel release contains security updates covered in the following CVEs:

  • CVE-2018-0791: Microsoft Outlook Remote Code Execution Vulnerability
  • CVE-2018-0793: Microsoft Outlook Remote Code Execution Vulnerability

Word: Security updates

This channel release contains security updates covered in the following CVEs:


Office suite: Security updates

This channel release contains security updates covered in the following CVEs and advisories:


Office suite: Non-security updates

This channel release contains the following non-security updates:

  • Add support for single sign-on (SSO) for domain users for Office 365 Germany plans where the identity is federated with an on-premises Active Directory.
  • Add functionality to prevent minors from acquiring and activating Office Add-ins that come from the Office Store.


Source: Office 365 client update channel releases

See also: Version and build numbers of update channel releases - Office Support