For the sixth metre this class , Google has liberate a Chrome target - update to call encipher instruction execution flaw that are already being ill-used by malign cyber-terrorist , harmonise to the steadfast . In a Thursday consultative , Google put forward , “ Google is cognisant that an flack for CVE-2021 - 30554 subsist in the raging . ” It ’s a enjoyment - after - dislodge flaw in WebGL , the JavaScript API for render computer graphic without the require for plugins . The impuissance has been assort as “ mellow - take a chance ” by Google , which has get down commit the tardy patch to substance abuser via the browser ’s machinelike - update mechanism . Google allow for no former information about the onset other than the fact that they were account anonymously two years ago , on June 15 , 2021 . user of Microsoft Windows , Apple macOS , and Linux can download Chrome interlingual rendition 91.0.4472.114 . Google also even up three early remembering corruptness exposure in WebAudio , TabGroups , and Sharing , in increase to the zero - Clarence Day snipe . There have been a show number of zero - day assail this class , with Google repair six of them in its Chrome web browser . A aggregate of 47 in - the - uncivilized violation place software system failing unknown region still to the maker have been disclosed by zero - solar day tracker .