diff --git a/crates/pf-capture/src/windows/idd_push.rs b/crates/pf-capture/src/windows/idd_push.rs
index 7a37beec..c34fac88 100644
--- a/crates/pf-capture/src/windows/idd_push.rs
+++ b/crates/pf-capture/src/windows/idd_push.rs
@@ -1861,6 +1861,7 @@ impl IddPushCapturer {
                     cbcr,
                     fence_handle,
                     fence_value,
+                    ring_gen: self.generation,
                 }),
             )
         } else {
@@ -1919,6 +1920,7 @@ impl IddPushCapturer {
                         cbcr: dst_cbcr,
                         fence_handle,
                         fence_value,
+                        ring_gen: self.generation,
                     }),
                 }),
                 cursor: None,
diff --git a/crates/pf-encode/src/enc/windows/pyrowave.rs b/crates/pf-encode/src/enc/windows/pyrowave.rs
index 72fdc3b6..93001490 100644
--- a/crates/pf-encode/src/enc/windows/pyrowave.rs
+++ b/crates/pf-encode/src/enc/windows/pyrowave.rs
@@ -139,6 +139,10 @@ pub struct PyroWaveEncoder {
     // Imported plane textures, cached by the out-ring texture's raw pointer (stable per ring slot):
     // the full-res R8 Y plane and the half-res R8G8 CbCr plane, imported SEPARATELY (a single planar
     // NV12 import is unreliable on NVIDIA at arbitrary sizes).
+    /// The capturer ring generation the cached plane imports below belong to. A recreate bumps it,
+    /// and every cached import is destroyed — the COM addresses they are keyed on can be recycled
+    /// by the allocator after a recreate, so identity cannot rest on the pointer alone.
+    ring_gen: Option<u32>,
     y_images: Vec<(PlaneKey, pw::pyrowave_image)>,
     cbcr_images: Vec<(PlaneKey, pw::pyrowave_image)>,
 
@@ -271,6 +275,7 @@ impl PyroWaveEncoder {
                 pw_dev,
                 pw_enc,
                 sync: std::ptr::null_mut(),
+                ring_gen: None,
                 y_images: Vec::new(),
                 cbcr_images: Vec::new(),
                 width,
@@ -455,6 +460,25 @@ impl PyroWaveEncoder {
              in pyrowave mode (session_plan::output_format must set OutputFormat::pyrowave)",
         )?;
 
+        // Ring recreate ⇒ every cached plane import belongs to textures that no longer exist. Their
+        // COM addresses can be handed back out by the allocator, so a pointer-keyed hit could return
+        // an image bound to freed memory. Flush on the generation change rather than relying on the
+        // address (or the FIFO cap) to notice.
+        if self.ring_gen != Some(share.ring_gen) {
+            if self.ring_gen.is_some() {
+                tracing::info!(
+                    from = ?self.ring_gen,
+                    to = share.ring_gen,
+                    cached = self.y_images.len() + self.cbcr_images.len(),
+                    "pyrowave: capturer recreated its ring — flushing stale plane imports"
+                );
+            }
+            for (_, img) in self.y_images.drain(..).chain(self.cbcr_images.drain(..)) {
+                pw::pyrowave_image_destroy(img);
+            }
+            self.ring_gen = Some(share.ring_gen);
+        }
+
         // Import the fence whenever this encoder has no timeline yet — the first frame, OR a fresh
         // encoder after a client mode-switch rebuild (the capturer passes the persistent handle on
         // every frame precisely so a rebuilt encoder can re-import it).
@@ -1000,6 +1024,9 @@ mod tests {
                     cbcr: cbcr_tex,
                     fence_handle: Some(fence_handle.0 as isize),
                     fence_value: 1,
+                    // One synthetic ring for the whole case: a constant generation exercises the
+                    // steady-state cache-hit path (a changing one would flush every frame).
+                    ring_gen: 1,
                 }),
             }),
             cursor: None,
diff --git a/crates/pf-frame/src/dxgi.rs b/crates/pf-frame/src/dxgi.rs
index 60531695..8db1fbbf 100644
--- a/crates/pf-frame/src/dxgi.rs
+++ b/crates/pf-frame/src/dxgi.rs
@@ -52,6 +52,12 @@ pub struct PyroFrameShare {
     /// The fence value the capturer signalled after THIS frame's convert. The encoder's Vulkan
     /// acquire waits on it, so the wavelet read is ordered after the D3D11 CSC.
     pub fence_value: u64,
+    /// The capturer's ring generation, bumped every time it recreates its texture ring. The
+    /// PyroWave encoder caches its plane imports keyed on the texture's COM address, which carries
+    /// no reference — after a recreate those addresses can be recycled by the allocator, so a
+    /// cached import may describe a texture that no longer exists. The encoder flushes its import
+    /// cache whenever this changes, making cache identity independent of allocator behaviour.
+    pub ring_gen: u32,
 }
 
 /// A GPU-resident captured texture (the Windows zero-copy path: NVENC/AMF/QSV encode it in place;