Reported critical vulnerabilities topped 600 a month across 21 software companies, a16z says
a16z says the group, including Apple, AWS, Microsoft and Google, had not exceeded 100 reported critical vulnerabilities per month for four years before the jump.
TLDR
In a September 5, 2026 update, a16z said reported critical vulnerabilities across 21 major software companies had jumped to over 600 per month since spring 2026. The group includes Apple, AWS, Microsoft and Google, according to a16z, which said the monthly count had never exceeded 100 for four years before the increase.
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