Microsoft said fixes for security flaws present in most processors may significantly slow down certain servers and dent the performance some personal computers, the software maker’s first assessment of a global problem that Intel initially downplayed.
Apple Inc. said all Mac computers and iOS devices, like iPhones and iPads, are affected by chip security flaws unearthed this week, but the company stressed there are no known exploits impacting users.
The largest chipmaker is working with rivals and partners on a fix, but the news sparked concern about this fundamental building block of the internet, PCs and corporate networks.
The world’s biggest chipmakers and software companies, including Intel Corp. and Microsoft Corp., are coming to grips with a vulnerability that leaves vast numbers of computers and smartphones susceptible to hacking and performance slowdowns.
White House chief of staff John Kelly imposed the ban, citing security concerns. President Donald Trump has repeatedly complained about press leaks since taking office, but aides said the change isn’t connected to concerns about unauthorized disclosures to news organizations.