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TikTok fixes zero-day bug used to hijack high-profile accounts

ID: c5f07e16-b6ed-59fb-a826-ff1372c843d8

STIX ID: report--c5f07e16-b6ed-59fb-a826-ff1372c843d8

Feed Name: Bleeping Computer

Threat Score
78/100

Date Published: 2024-06-04

Date Updated: 2026-04-20

Author: Sergiu Gatlan

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Attackers exploited a zero-day flaw in TikTok's direct messages to hijack a small number of high-profile accounts (e.g., Sony, CNN) by sending malicious messages that only need to be opened — no downloads or links required. TikTok is aware, has implemented mitigations, and is working with affected account owners while withholding technical details until the flaw is fixed.

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