A student in Ho Chi Minh City attempted to bring a mobile phone into an exam room during the high school graduation exam in mathematics. The incident occurred during the 2026 exam period. Exam proctors detected the phone before the student could utilize it during the test. This represents a breach of exam regulations designed to ensure fairness and academic integrity. Authorities have not released details regarding potential consequences for the student. The incident highlights ongoing concerns about cheating during standardized testing in Vietnam. This is the first reported case of attempted cheating during the 2026 exam cycle.