US warns hundreds of millions of devices at risk from newly revealed software vulnerability

Hundreds of millions of devices around the world could be exposed to a newly revealed software vulnerability, as a senior Biden administration cyber official warned executives from major US industries that they need to take action to address "one of the most serious" flaws she has seen in her career.

Hundreds of millions of devices around the world could be exposed to a newly revealed software vulnerability, as a senior Biden administration cyber official warned executives from major US industries Monday that they need to take action to address "one of the most serious" flaws she has seen in her career.

As major tech firms struggle to contain the fallout, US officials held a call with industry executives warning that hackers are actively exploiting the vulnerability.

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CNN's Geneva Sands contributed reporting.

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