It looked like Google Project Zero blew its own 90-day disclosure window when, on Wednesday, it disclosed an elevation of privilege (EoP) flaw in Windows that it reported to Microsoft just over a month ago on July 8.
But no: It turns out that Microsoft flip-flopped on whether or not it was planning to fix the issue, and the “WontFix” designation flipped the trigger and resulted in Project Zero’s disclosure of details on the flaw.