They know at release about many of these bugs but between incentivizing upgrades and selling the resultant bugs as backdoor to 'three letter agencies' there's simply too much money to be made by not disclosing/patching the problems before third parties release discovery of the problems.
They know at release about many of these bugs but between incentivizing upgrades and selling the resultant bugs as backdoor to 'three letter agencies' there's simply too much money to be made by not disclosing/patching the problems before third parties release discovery of the problems.