Mucormycosis represents a critical infectious challenge, primarily caused by organisms from the Mucorales order. This life-threatening fungal infection is particularly prevalent among immunocompromised individuals, including those with uncontrolled diabetes mellitus. Here, we describe a case involving a 32-year-old patient diagnosed with diabetes mellitus, who presented with pulmonary mucormycosis. The patient exhibited classical symptoms including fever, respiratory distress, and expectoration of dark sputum, which led to the identification of an endobronchial lesion through diagnostic imaging. Initial treatment comprised liposomal Amphotericin-B and oral posaconazole, followed by surgical resection of the lesion. This case underscores the necessity of a multidisciplinary approach in managing mucormycosis, combining antifungal therapy with surgical intervention to enhance treatment outcomes. Furthermore, it emphasizes the critical role of early diagnosis and proactive management in patients with predisposing conditions, such as uncontrolled diabetes, to mitigate the severe complications associated with mucormycosis.