diff --git a/packages/mui-base/src/Menu/Positioner/MenuPositioner.tsx b/packages/mui-base/src/Menu/Positioner/MenuPositioner.tsx
index b27106735..4d6a1a5f7 100644
--- a/packages/mui-base/src/Menu/Positioner/MenuPositioner.tsx
+++ b/packages/mui-base/src/Menu/Positioner/MenuPositioner.tsx
@@ -43,7 +43,7 @@ const MenuPositioner = React.forwardRef(function MenuPositioner(
     alignment = 'center',
     sideOffset = 0,
     alignmentOffset = 0,
-    collisionBoundary,
+    collisionBoundary = 'clippingAncestors',
     collisionPadding = 5,
     arrowPadding = 5,
     hideWhenDetached = false,
diff --git a/packages/mui-base/src/Popover/Positioner/PopoverPositioner.tsx b/packages/mui-base/src/Popover/Positioner/PopoverPositioner.tsx
index 6f60bfe1a..faf9e0ad3 100644
--- a/packages/mui-base/src/Popover/Positioner/PopoverPositioner.tsx
+++ b/packages/mui-base/src/Popover/Positioner/PopoverPositioner.tsx
@@ -40,7 +40,7 @@ const PopoverPositioner = React.forwardRef(function PopoverPositioner(
     alignment = 'center',
     sideOffset = 0,
     alignmentOffset = 0,
-    collisionBoundary,
+    collisionBoundary = 'clippingAncestors',
     collisionPadding = 5,
     arrowPadding = 5,
     hideWhenDetached = false,
diff --git a/packages/mui-base/src/PreviewCard/Positioner/PreviewCardPositioner.tsx b/packages/mui-base/src/PreviewCard/Positioner/PreviewCardPositioner.tsx
index eebba1e55..9fa8500f3 100644
--- a/packages/mui-base/src/PreviewCard/Positioner/PreviewCardPositioner.tsx
+++ b/packages/mui-base/src/PreviewCard/Positioner/PreviewCardPositioner.tsx
@@ -37,7 +37,7 @@ const PreviewCardPositioner = React.forwardRef(function PreviewCardPositioner(
     alignment = 'center',
     sideOffset = 0,
     alignmentOffset = 0,
-    collisionBoundary,
+    collisionBoundary = 'clippingAncestors',
     collisionPadding = 5,
     arrowPadding = 5,
     hideWhenDetached = false,
diff --git a/packages/mui-base/src/Tooltip/Positioner/TooltipPositioner.tsx b/packages/mui-base/src/Tooltip/Positioner/TooltipPositioner.tsx
index 8da7cd9de..8c41bc631 100644
--- a/packages/mui-base/src/Tooltip/Positioner/TooltipPositioner.tsx
+++ b/packages/mui-base/src/Tooltip/Positioner/TooltipPositioner.tsx
@@ -40,7 +40,7 @@ const TooltipPositioner = React.forwardRef(function TooltipPositioner(
     alignment = 'center',
     sideOffset = 0,
     alignmentOffset = 0,
-    collisionBoundary,
+    collisionBoundary = 'clippingAncestors',
     collisionPadding = 5,
     arrowPadding = 5,
     hideWhenDetached = false,