"Microsoft Corp. late yesterday explained why it had been unable to patch a seven-year-old bug until recently, saying that it was only in the last year that it figured out how to fix the flaw without breaking most network-based applications.
The bug in Microsoft’s SMB (Server Message Block) protocol, which is used by Windows to share files and printers over a network, was patched Tuesday as part of the company’s normal monthly security updates. What stood out, however, wasn’t the fix as much as the time it took Microsoft to come up with a patch. " – Content courtesy of Microsoft explains seven-year-old patch delay
You may also like to read