More of this issue here: http://www.securityweek.com/google-chrome-bug-leads-windows-credential-theft
Don't know and don't care since I don't use Chrome. Here are the author's mitigation recommendation: http://www.defensecode.com/whitepapers/Stealing-Windows-Credentials-Using-Google-Chrome.pdf
And this is why using a local account helps - especially if it has its own (and potentially weak, why not) password that is not used anywhere online. Divide and conquer. Mrk