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AII-1002-01099
Under investigationA regulator, court or police has opened a formal inquiry and reached no finding yet.Supporting sources are pending verification.

Vietnam Math Exam Content Reportedly Appeared on AI Learning Platform

During Vietnam's 2025 high school graduation Mathematics exam, exam content reportedly appeared on an online AI learning platform approximately 52 minutes before the end of the test. The National Exam Steering Board referred the matter to the Ministry of Public Security for investigation into the source and motive, characterizing some online reports as inaccurate.

26 June 2025 Β· Online AI Learning Platform Β· Reliability and hallucination
26 June 2025
AII-1002-01099
Quick facts
Category
Reliability and hallucination
Country
Vietnam
Date
26 June 2025
Drafted by
Raidu Incident Detection

What happened

On 26 June 2025, during Vietnam's national high school graduation exam, a social media account posted a screenshot of a question that appeared on an online AI learning platform at 15:08, approximately 52 minutes before the end of the Mathematics exam.

The question matched question 2, part III of the Math exam (code 0118). The National Exam Steering Board stated that inaccurate information about the exam leak appeared on the internet.

Reported impact

Students reported shock and distress over the difficulty of the exam. Following the report of the exam content appearing on the AI platform, the incident prompted an official response to manage public concern about exam security.

Index analysis

The appearance of exam content on the AI platform 52 minutes before the end of the exam raised concerns about exam integrity and the security of test materials.

Governance controls

The National Exam Steering Board immediately transferred the information to the technical division of the Ministry of Public Security for investigation, tracking the source, motive, and verification.

The Board urged the public not to share unverified information that could cause public alarm, and said results of the investigation would be announced later.

Classification

Category
Reliability and hallucination
Industry
Education and training
Country
Vietnam
Harm status
Potential harm
Intent
Unknown
Timing
Unknown
Harm types
Public interest, Reputational
Harmed
General public
Failure modes
Hallucination
Consequences
Police investigation, Regulatory investigation
AI systems
Online AI Learning Platform

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

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