The paper reviews the status of the evaluation of the Minimal Supersymmetric Standard Model (MSSM) Higgs sector, focusing on the phenomenological impact of recently obtained corrections. The upper bound on the Higgs boson mass \( m_h \) within the MSSM is found to be shifted upwards, leading to a weakening of the lower limits on \( \tan \beta \) obtained by comparing the upper bound with the lower bound from Higgs searches. The region in the \( M_A - \tan \beta \)-plane where the coupling of the lightest Higgs boson to down-type fermions is suppressed is also modified. Higher-order corrections to the Higgs-boson mass matrix, which are not yet calculated, are estimated to shift the mass of the lightest Higgs boson by up to 3 GeV. The authors use the *FeynHiggs* code, which has been updated to include recent theoretical improvements, to present updated results for various quantities of physical interest. They discuss the impact of these improvements on the upper limit on \( m_h \) and the corresponding limit on \( \tan \beta \), as well as the modifications in the couplings of the lightest Higgs boson to down-type fermions. The paper also estimates the theoretical accuracy of the Higgs-boson mass determination, considering both parametric uncertainties from experimental errors and higher-order corrections. The uncertainty from unknown three-loop corrections is estimated to be 1–2 GeV.The paper reviews the status of the evaluation of the Minimal Supersymmetric Standard Model (MSSM) Higgs sector, focusing on the phenomenological impact of recently obtained corrections. The upper bound on the Higgs boson mass \( m_h \) within the MSSM is found to be shifted upwards, leading to a weakening of the lower limits on \( \tan \beta \) obtained by comparing the upper bound with the lower bound from Higgs searches. The region in the \( M_A - \tan \beta \)-plane where the coupling of the lightest Higgs boson to down-type fermions is suppressed is also modified. Higher-order corrections to the Higgs-boson mass matrix, which are not yet calculated, are estimated to shift the mass of the lightest Higgs boson by up to 3 GeV. The authors use the *FeynHiggs* code, which has been updated to include recent theoretical improvements, to present updated results for various quantities of physical interest. They discuss the impact of these improvements on the upper limit on \( m_h \) and the corresponding limit on \( \tan \beta \), as well as the modifications in the couplings of the lightest Higgs boson to down-type fermions. The paper also estimates the theoretical accuracy of the Higgs-boson mass determination, considering both parametric uncertainties from experimental errors and higher-order corrections. The uncertainty from unknown three-loop corrections is estimated to be 1–2 GeV.