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Zoom Video Falls as Mac Webcam Flaw Report Weighs on Shares

Zoom Video Falls as Mac Webcam Flaw Report Drags Red-Hot Stock

(Bloomberg) -- Zoom Video Communications Inc. shares dipped in Tuesday’s trading after reports circulated that a flaw in the Zoom app on Apple Inc. Macs could allow websites to take over user’s webcams.

The vulnerability allows any website to “forcibly join a user to a Zoom call” without their permission, a Medium report found. The flaw could expose up to 750,000 companies around the world that use Zoom for daily business, the Medium post continued.

Shares of the San Jose, California-based company dipped as much as 1.1%, touching $89.75 a share before erasing some of those losses. The stock has more than doubled and remains up more than 150% from an April public offering, compared to a 2.3% rise for the S&P 500 Index.

Zoom Video Falls as Mac Webcam Flaw Report Weighs on Shares

Zoom highlighted in a blog post that there has been “no indication” that a client has been hacked in a manner referenced by the Medium article. The post went on to stress that “the host or any other participant cannot override a user’s video and audio settings to, for example, turn their camera on.”

The Medium report said the vulnerability was originally disclosed in March prior to being fixed, however, a workaround was discovered due to a regression that caused the vulnerability to work again earlier this week.

To contact the reporter on this story: Bailey Lipschultz in New York at blipschultz@bloomberg.net

To contact the editors responsible for this story: Catherine Larkin at clarkin4@bloomberg.net, Steven Fromm

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