Over the course of the pandemic, Zoom has gone from an occasionally used video calling app to an essential tool for workers all over the world. Yet according to a number of reports, a Zoom bug may be recording Mac users’ audio without their knowledge.
As reported by The Register, the issue first reared its head in late 2021, when Mac users began noticing that Zoom was recording their microphone audio, even when the app was simply open in the background and not actively conducting a call.
Users were able to surmise this thanks to an update in MacOS Monterey that added a green or orange dot to the Mac menu bar whenever an app was accessing your camera or microphone, respectively. Users noticed that the orange dot was frequently appearing when Zoom was open, regardless of whether they were on a call or not.
At the time, Zoom said it had issued a fix for the problem. However, it appears the issue has persisted right up to this week. For instance, developer Felix Krause noted the issue on Twitter, while another explained that the bug was still occurring despite the latest Zoom update.
— Felix Krause (@KrauseFx) February 9, 2022
Seeing as the bug is apparently still active in the latest version of Zoom, the onus is on the app’s developer to issue a fix that properly solves the problem. In the meantime, it is probably a good idea to only have Zoom open when you absolutely need it — when you are about to enter a call, for example — and to close it immediately afterward. That means pressing Command+Q or clicking zoom.us > Quit Zoom in your menu bar, rather than just closing the app’s main window, as doing the latter will still keep the app itself open.
Interestingly, we were not able to replicate the issue on a Mac Mini using a third-party webcam, suggesting the bug is not currently affecting all Zoom users based on MacOS. However, it is a good idea to take precautions in any case, such as using a webcam with a built-in privacy cover.
Since publishing this article, Zoom contacted us with the following response:
“The Zoom client for macOS 5.9.3, released on January 25, 2022, fixed a bug involving the failure to properly terminate the microphone use post-meeting. Zoom has determined that this bug did not result in audio data being transmitted back to Zoom’s platform. As always, we recommend users make sure their Zoom client is updated to the latest version.”
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