Researches from The A.R.F Project discovered what Windows 8 and Windows 10 cache passwords which were used for decrypt encrypted ZIP files.
“When you open a password protected zip archive using Windows Explorer (“Extract All…”), in Windows 8.x/10 the password is automatically cached in the Credentials Manager for the life of the logon session.”
Here is the link to the article about it.
The article contains samples and software for extraction of cached passwords.