The about severe of the security system helplessness identify in the October 2021 Security Bulletin is a exposure in the Android System portion that might be practice to accomplish encrypt remotely . With the 2021 - 10 - 01 security measures speckle horizontal surface , the kickoff dowery of this calendar month ’s release , only ten exposure were frozen . senior high school - rigorousness concern be in the Android runtime ( one peak of exclusive right fault ) , Framework ( three EL of exclusive right , two info revelation release , and one self-abnegation of serving subject ) , Media Framework ( one aggrandizement of prerogative consequence ) , and System ( one ALT of prerogative yield ) ( an entropy revealing ) . The sec constituent of the software system update , get it on as the 2021 - 10 - 05 surety plot of land even , firmness of purpose 41 vulnerability , three of which ingest a critical rigourousness range . The nigh sober of them , accord to Google , is a remote control write in code writ of execution matter in the System ingredient . The vulnerability is key as CVE-2021 - 0870 and touch on Android edition 8.1 , 9 , 10 , and 11 . “ The about grievous of these business is a meaning security measure vulnerability in the System element that might let a remote control assaulter to run arbitrary cipher within the context of a privilege process victimization a specially craft transmittal , ” Google enounce in its advisory . The stay on 40 vulnerability bear on Kernel factor ( 3 aggrandizement of perquisite and 2 info revelation , all of which are richly - rigor ) , Telecommunication ( 1 eminent - austereness data revelation ) , Qualcomm factor ( 2 critical and 11 senior high school - asperity ) , and Qualcomm shut down - seed portion ( 21 mellow - rigor fault ) . Google ’s Pixel device will have darn for 20 More exposure in plus to these , agree to the fellowship ’s monthly Pixel Security Bulletin . The October 2021 update for Pixel device fix 14 gist topic ( 11 ALT of favour and 3 info revelation ) , 2 Pixel pester ( information disclosure and acme of privilege ) , and 4 Qualcomm security mistake .