A securities class action has been filed against Microsoft Corporation (NASDAQ: MSFT). The lawsuit alleges that while executives publicly touted Copilot as "best-in-class" with accelerating adoption, the Company's AI product suite experienced severe internal problems that were never disclosed, including brand positioning confusion, significant data siloing, computational capacity constraints, and organizational dysfunction. The complaint also alleges that multibillion-dollar arrangements with OpenAI ($250 billion Azure commitment) and Anthropic ($30 billion compute commitment) masked concentration risk. In September 2025, management claimed "70% of the Fortune 500" used Copilot, revised upward to "90% of the Fortune 500" by October 2025, but the action contends these metrics obscured that usage intensity and retention were falling short. The Company announced plans to increase total AI capacity by 80% and roughly double its data center footprint over two years, which the lawsuit maintains were presented as evidence of demand but actually reflected supply-side build-out with uncertain returns. The lead plaintiff deadline is August 11, 2026.