Will Kylian Mbappe miss the 2026 World Cup? France reportedly fears worst over Real Madrid star

Is France's star player, Kylian Mbappe, going to miss the FIFA 2026 World Cup? His fitness concern is no longer a quiet worry behind closed doors. It is now a real conversation in both Madrid and Paris. With the tournament approaching, France’s biggest star is managing what L’Equipe describes as an “unprecedented” knee discomfort. For a player whose game depends on sharp bursts and sudden acceleration, even a small physical dip can change everything.The concern is not built on rumor alone. Over the past six weeks, Mbappe has reportedly been playing “on one leg” for Real Madrid. He has stayed on the pitch, scored goals, and pushed through matches, but the signs have been visible. The sharpness that once terrified defenders has, at times, looked slightly dulled.The issue traces back to December, when Mbappe began dealing with inflammation in a ligament in his left knee. Real Madrid have not issued a detailed medical report, but the pattern is clear. He has missed training sessions. He skipped key fixtures, including one against Real Sociedad. Even when he completed 90 minutes against Osasuna and later Benfica in Lisbon, his movement suggested restraint rather than freedom.According to L’Equipe, sources close to the club indicated he has been operating at only 60 to 70 percent of his full capacity. For most players, that might still be enough. For Mbappe, whose value lies in explosive speed and ruthless transitions, it is a different story.An accelerated treatment plan is now underway. He is expected to miss at least three matches, a deliberate pause designed to assess how his body responds. The goal is simple. Avoid surgery. Protect the knee. Make sure he arrives at the World Cup healthy.France can hardly afford otherwise. As captain, Mbappe carries even greater weight following Antoine Griezmann’s international retirement. A demanding group featuring Norway, Senegal, and a possible playoff entrant such as Bolivia, Iraq, or Suriname leaves little margin for vulnerability.Real Madrid, for their part, have managed to steady the ship. Álvaro Arbeloa has had to cope without several key names, including Dean Huijsen, Jude Bellingham, Éder Militão, Dani Ceballos, and Rodrygo Goes, who served a Champions League suspension. Yet the team has won three of four matches in 2026, scoring 13 goals, with Gonzalo Garcia stepping in when needed.Still, there is no disguising it. Mbappe remains central to both club and country. The coming weeks will reveal whether rest and treatment are enough to restore the full force of a player who rarely operates at anything less than electric.