https://support.microsoft.com/en-gb/topic/november-11-2014-update-for-powerpoint-2007-kb2597972-b12767de-d100-4b48-2575-272c1a6685da
November 11, 2014 update for PowerPoint 2007 (KB2597972) - Microsoft Support
Provides information about the PowerPoint 2007 update KB2597972 that was released on November 11, 2014.
novemberupdatepowerpointmicrosoftsupport