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Google Chrome’s silent 4GB AI download problem

ID: 31b3b0b1-664e-53ed-bd4a-75dd0eda6c96

STIX ID: report--31b3b0b1-664e-53ed-bd4a-75dd0eda6c96

Feed Name: Security Boulevard

Threat Score
15/100

Date Published: 2026-05-06

Date Updated: 2026-05-06

Author: Malwarebytes

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Malwarebytes reports that recent Chrome versions silently download a 4GB local AI model (Gemini Nano) into users' profiles without consent, automatically reinstalling it if removed; the behavior raises privacy, bandwidth/cost, environmental, and potential legal concerns despite not being used by Chrome's visible AI feature, which routes queries to Google servers.

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