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Krebs: This month’s code signing zeroday, CVE-2020-1464, has been around for two years
This month we had two zero-days fixed in the Patch Tuesday crop. Several folks in the press screamed that the sky is falling and you have to get patched right now.
Seems that the truth is a bit more prosaic. As truth frequently is.
First we discovered that one of the zero-days, CVE-2020-1380, relies on Internet Explorer and it’s been used on an undisclosed South Korean company, in conjunction with other security holes. By itself, this zero-day doesn’t mean much.
Now comes word from Brian Krebs that the other zero-day, CVE-2020-1464, was reported to Microsoft two years ago. It’s not exactly front-burner stuff:
Asked to comment on why it waited two years to patch a flaw that was actively being exploited to compromise the security of Windows computers, Microsoft dodged the question, saying Windows users who have applied the latest security updates are protected from this attack.
Moral of the story: It’s very, very rare that you need to patch immediately. Wait and see what problems crop up before you install the latest fare from Microsoft.