A Study of BMS-986482 Alone or as Combination Therapy in Participants With Advanced Solid Tumors

Inclusion Criteria * All participants must have a histologically or cytologically confirmed, advanced, unresectable/metastatic, solid malignancy measurable by RECIST v1.1, and have received, be refractory to, ineligible for, intolerant of, or refused existing therapy(ies) known to provide clinical benefit for the condition of the participant. * Participant must be ≥ 18 years or the legal age of consent in the jurisdiction in which the study is taking place, inclusive, at the time of signing the ICF. Exclusion Criteria * History of life threatening immune mediated toxicity related to prior T-cell agonist or checkpoint inhibitor therapy, except those that are unlikely to re-occur with standard countermeasures. * Any significant acute or chronic medical illness which would interfere with study intervention or follow-up in the opinion of the investigator. * For participants in Part 1B1, 1B2, 2B1 and 2B2: active autoimmune disease or requirement for systemic immunosuppressive therapy. * For participants in Part 1B1, 1B2, 2B1 and 2B2: History of interstitial lung disease or pneumonitis requiring systemic steroids, or current/suspected ILD/pneumonitis. * For participants in Part 1B1, 1B2, 2B1 and 2B2: Significant risk of hemorrhage, including tumor invasion of major vessels or recent clinically significant bleeding. * Other protocol-defined Inclusion/Exclusion criteria apply.