A class action lawsuit has been filed against Microsoft Corporation (NASDAQ: MSFT) and certain of its officers, announced by the law firm Bronstein, Gewirtz & Grossman, LLC on June 24, 2026. The lawsuit seeks to recover damages for alleged violations of federal securities laws on behalf of all persons and entities that purchased or acquired Microsoft securities between May 1, 2025 and January 28, 2026, the “Class Period.” The Complaint alleges that throughout the Class Period, Defendants made false or misleading statements by failing to disclose that Microsoft’s Copilot products had significant brand positioning, user experience, usage, data siloing, computational capacity, organizational, and interoperability problems; that Microsoft’s flagship proprietary AI model ranked well below competitors on benchmark tests; that Microsoft needed to increase by billions of dollars its capital expenditures and divert GPU and CPU capacity from its profitable Azure services to improve Copilot’s positioning and AI R&D; and that Microsoft had failed to convert a significant percentage of commercial Microsoft 365 users to paid Copilot subscriptions, with Copilot losing market share to rivals. Investors who suffered a loss have until August 11, 2026, to request appointment as lead plaintiff.