Google: Chrome Zero-Day Was Used Together With a Windows 7 Zero-Day

Google said this week that a Chrome zero-day the company patched last week was actually used together with a second one, a zero-day impacting the Microsoft Windows 7 operating system. From a report: The two zero-days were part of ongoing cyber-attacks that Clement Lecigne, a member of Google's Threat Analysis Group, discovered last week on February 27. The attackers were using a combination of a Chrome and Windows 7 zero-days to execute malicious code and take over vulnerable systems. The company revealed the true severity of these attacks in a blog post this week. Google said that Microsoft is working on a fix, but did not give out a timeline. The company's blog post comes to put more clarity into a confusing timeline of events that started last Friday, March 1, when Google released Chrome 72.0.3626.121, a new Chrome version that included one solitary security fix (CVE-2019-5786) for Chrome's FileReader --a web API that lets websites and web apps read the contents of files stored on the user's computer.

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