The announcement from the prosecutor's office in the northeastern city of Tianjin said Meng had abused his positions, including as a vice minister of public security and head of the maritime police to "illegaly accept cash and property in return for performing favors for others."
"The amounts were especially huge," the statement said. Earlier, the ruling Communist Party's disciplinary committee said an investigation found that Meng abused his power in order to satisfy his family's "extravagant lifestyle."
Meng was formally arrested last month after being expelled from public office and the party. While serving at Interpol, Meng retained his title as a vice minister of public security. Elected president of the international police organization in 2016, Meng had his four-year term cut short when he disappeared into custody after traveling to China from the body's headquarters in France at the end of September. Interpol was not informed and was forced to make a formal request to China for information about Meng's whereabouts.
There are suspicions he had fallen out of political favor with Chinese President Xi Jinping, who has carried out a wide-ranging crackdown on corruption and perceived disloyalty that observers say is calculated to strengthen party control while bringing down potential challengers to his authority.
Meng's wife, Grace, said Friday that China has failed to provide a shred of evidence against her husband and accused Chinese authorities of creating a "fake case" against him for political reasons. Speaking by phone to the AP, she again demanded that China provide proof that her husband is alive.
"For half a year now, no one has seen him, no one has heard his voice," she said. She has remained in France, where Meng was stationed for Interpol, with their two young sons.
This article has been corrected to show that Meng disappeared at the end of September instead of October.
Associate Press writer John Leicester in Paris contributed to this report.