When you use a custom form that you have created for Outlook, you see the following two symptoms:
- VBScript does not run.
- You get a malicious code warning
See You receive an error when opening attachments in Outlook for more information.
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 Microsoft Common Vulnerabilities and Exposures CVE-2017-8506, Microsoft Common Vulnerabilities and Exposures CVE-2017-8507, and Microsoft Common Vulnerabilities and Exposures CVE-2017-8508.
Note To apply this security update, you must have the release version of Outlook 2016 installed on the computer.