diff --git a/src/plugins/intel_cpu/src/nodes/matrix_nms.cpp b/src/plugins/intel_cpu/src/nodes/matrix_nms.cpp
index fe825800f34..2cc63d46c78 100644
--- a/src/plugins/intel_cpu/src/nodes/matrix_nms.cpp
+++ b/src/plugins/intel_cpu/src/nodes/matrix_nms.cpp
@@ -376,7 +376,7 @@ void MatrixNms::execute(dnnl::stream strm) {
 
     // NMS-alike nodes are always transformed to NMSIEInternal node in case of legacy api, for compatibility.
     // And on the other hand in case of api 2.0, keep them internal dynamic for better performance and functionality.
-    if (isDynamicNode()) {
+    if (!m_outStaticShape) {
         size_t totalBox = std::accumulate(m_numPerBatch.begin(), m_numPerBatch.end(), size_t(0));
         redefineOutputMemory({{totalBox, 6}, {totalBox, 1}, {m_numBatches}});
     }
diff --git a/src/plugins/intel_cpu/src/nodes/multiclass_nms.cpp b/src/plugins/intel_cpu/src/nodes/multiclass_nms.cpp
index 805740ca4ed..e7100b5d708 100644
--- a/src/plugins/intel_cpu/src/nodes/multiclass_nms.cpp
+++ b/src/plugins/intel_cpu/src/nodes/multiclass_nms.cpp
@@ -166,7 +166,7 @@ void MultiClassNms::prepareParams() {
     } else {
         m_numBatches = boxes_dims[0];
     }
-    m_numBoxes = shared ? boxes_dims[1] : boxes_dims[1];
+    m_numBoxes = boxes_dims[1];
     m_numClasses = shared ? scores_dims[1] : scores_dims[0];
 
     int max_output_boxes_per_class = 0;