America's best intelligence officials believe the first 12 months of Obama's presidency will be a period of critical vulnerability.

Microsoft says no, not a critical vulnerability, don't worry about it, don't need to patch it.

This quantifies the risk of encountering critical vulnerabilities that damage the business.

The company called the software flaw a "critical" vulnerability, its highest rating.

So a rootkit is actually not a critical vulnerability, it's just an important vulnerability.

They've defined this so that, I mean, almost nothing now is a critical vulnerability.

There is also something that they described as a "layout height tracking bug," which they called a critical vulnerability.

But there is another critical vulnerability, though, being reported from Microsoft.

They fixed seven troublesome critical vulnerabilities, so these are worth doing.

So there were many critical vulnerabilities that were patched.