Security researcher Zammis Clark has published proof-of-concept code to exploit multiple vulnerabilities in three different preinstalled software applications. The vulnerabilities target Dell, Lenovo and Toshiba systems sold by original equipment manufacturers. As a result of the flaws, hundreds of millions of PCs are at risk of being remotely exploited. Dell quickly released a patch for the software, followed by Microsoft on Nov. 30 releasing a related, emergency security update for the Windows Certified Trust List in all supported versions of Windows, disabling the offending eDellRoot and DSDTest Provider certificates.”]
Source: https://www.careersinfosecurity.com/bloatware-bugs-dell-lenovo-toshiba-a-8732