The Microsoft Vulnerability Research (MSVR) team found and reported a vulnerability in Google Chrome Frame. The result is a new version that fixes the security flaw, among other issues.
Full Story: http://arstechnica.com/microsoft/news/2009/11/google-chrome-frame-patches-microsoft-reported-security-bug.ars
Full Story: http://arstechnica.com/microsoft/news/2009/11/google-chrome-frame-patches-microsoft-reported-security-bug.ars