It doesn't even really mean that anymore. From the blog post here: > I've reported four 0-day vulnerabilities this year They're just using 0-day to mean "a ne

It doesn't even really mean that anymore. From the blog post here: > I've reported four 0-day vulnerabilities this year They're just using 0-day to mean "a new vulnerability finding disclosed to the vendor privately", which is becoming the new definition of the term.