Macron, a liberal centrist, is pro-business and a strong supporter of the European Union, EU, while Le Pen campaigned on a France-first, anti-immigration programme.
In a statement released after a morning meeting, the watchdog said the leaked data had been "fraudulently" obtained and that fake news has probably been mingled with it.
Russian President Vladimir Putin denied Tuesday that Russia interfered in last year's presidential election in the United States, describing the allegations as "simply rumors" that are being leveraged for political reasons in the United States.
The front-runner in the French presidential election, Emmanuel Macron, has said that the European Union, EU, must reform or face the prospect of "Frexit".
Projected results in the ongoing French presidential election have it that two of the major contenders, Emmanuel Macron and Marine Le Pen are through to the runoff election coming up in May.
