After applying kb3203467 to Outlook 2010 32bit
a recipient can't open pptx or docx attachment when mail is formatted in rich text. Neither of which are attachment file types blocked in Outlook
Is this a bug?
https://support.office.com/en-us/article/Blocked-attachments-in-Outlook-434752E1-02D3-4E90-9124-8B81E49A8519?ui=en-US&rs=en-US&ad=US
https://support.microsoft.com/en-us/help/3203467/descriptionofthesecurityupdateforoutlook2010june13,2017