The back element of the package update , cognize as the 2021 - 10 - 05 security measures mend even , solve 41 exposure , three of which cause a critical rigorousness value . ( an entropy revealing ) . Google ’s Pixel twist will get piece for 20 more than exposure in plus to these , grant to the party ’s monthly Pixel Security Bulletin . The October 2021 update for Pixel devices posit 14 gist issue ( 11 EL of prerogative and 3 data revealing ) , 2 Pixel pester ( info disclosure and top of favour ) , and 4 Qualcomm protection misplay . With the 2021 - 10 - 01 security system while degree , the foremost lot of this calendar month ’s secrete , just ten exposure were repair . The nearly life-threatening of them , according to Google , is a removed codification performance outlet in the System component part . The nearly severe of the certificate helplessness name in the October 2021 Security Bulletin is a vulnerability in the Android System ingredient that might be victimized to action encipher remotely . senior high - badness fear live in the Android runtime ( one raising of prerogative defect ) , Framework ( three natural elevation of favour , two entropy disclosure issuing , and one demurrer of armed service yield ) , Media Framework ( one top of favour emerge ) , and System ( one peak of favour come forth ) The left over 40 vulnerability feign Kernel portion ( 3 summit of privilege and 2 selective information disclosure , all of which are mellow - hardship ) , Telecommunication ( 1 eminent - rigor selective information revealing ) , Qualcomm factor ( 2 decisive and 11 gamey - badness ) , and Qualcomm unopen - reservoir component part ( 21 luxuriously - grimness defect ) . “ The well-nigh sober of these concern is a significant certificate vulnerability in the System portion that might grant a remote control aggressor to run arbitrary inscribe within the circumstance of a inside outgrowth employ a particularly craft transmitting , ” Google say in its advisory . The exposure is identify as CVE-2021 - 0870 and involve Android version 8.1 , 9 , 10 , and 11 .