Rich Warren

Please specify version of eqnedt32.exe, it should be the same as this: 

Please specify version of eqnedt32.exe, it should be the same as this: 

And maybe you should check the equation editor version before raising issues. Issue closed.

Grab the .cab file from here (ignore the fact it's for 2007, any version will work as it's the same file): https://www.catalog.update.microsoft.com/Search.aspx?q=KB4011604 Then extract this using 7zip and you will...

Looks like you have the wrong cab file. Did you download it from that link above? If you just grab the first one in the table from that link it...

Yup, the reason it is working on the older version is because it will be exploiting both CVE-2017-11882 (the older exploit), *and* CVE-2018-0802. With regards to the path to EQNEDT32.exe...