Check Point security researchers found a serious threat to everyone using Qualcomm-powered smartphone, which as of 2019 is about 40% of the market. The researchers call the exploits "Achilles". Check Point found more than 400 lines of code vulnerabilities all in the digital signal processors of Qualcomm's SoCs. Of course, they are keeping most of the details a secret to minimize the risk of someone using the exploits. The hacker can potentially record calls, steal data, install malicious software that can't be uninstalled and even brick the device. Qualcomm has already started...
Source: https://www.gsmarena.com/a_security_research_firm_found_serious_exploit_in_qualcomm_chips-news-44735.php