Outlook 2016 Security Update for August 2016

A Security Update has been released for Outlook 2016. In addition to resolving the vulnerability, it also contains 12 documented improvements and fixes.

Most notable fixes are;

  • Resolves the vulnerabilities mentioned in Microsoft Security Bulletin MS16-099 which could allow remote code execution if a user opens a specially crafted Office file.
  • When you mark a task as completed, you receive the following error message:
    We need to know who to send this to. Make sure you enter at least one name.
  • When you send digitally signed email messages in a 64-bit version of Outlook 2016, you receive the following error message:
    A required action was not successful because of an unspecified error.
  • After you enable the “I am currently giving a presentation” option in the Presentation Settings dialog box, Outlook will not be able to authenticate and will enter a “Need Password” state.

View: Download information for KB3115440

Note: This update can be installed via Microsoft Update or the Update Now button when you are using Office 365 and updates Outlook to version 16.0.4417.1000 (msi-based installation) or 16.0.7070.2036 (Office 365 based installation).