diff --git a/apps/browser/src/platform/ipc/ipc-background.service.ts b/apps/browser/src/platform/ipc/ipc-background.service.ts
index 155966898f9..f26d8d680a3 100644
--- a/apps/browser/src/platform/ipc/ipc-background.service.ts
+++ b/apps/browser/src/platform/ipc/ipc-background.service.ts
@@ -23,14 +23,14 @@ export class IpcBackgroundService extends IpcService {
       await SdkLoadService.Ready;
       this.communicationBackend = new IpcCommunicationBackend({
         async send(message: OutgoingMessage): Promise<void> {
-          if (typeof message.destination === "object") {
+          if (typeof message.destination === "object" && message.destination.Web != undefined) {
             await BrowserApi.tabSendMessage(
               { id: message.destination.Web.id } as chrome.tabs.Tab,
               {
                 type: "bitwarden-ipc-message",
                 message: {
                   destination: message.destination,
-                  payload: message.payload,
+                  payload: [...message.payload],
                   topic: message.topic,
                 },
               } satisfies IpcMessage,
@@ -44,7 +44,7 @@ export class IpcBackgroundService extends IpcService {
       });
 
       BrowserApi.messageListener("platform.ipc", (message, sender) => {
-        if (!isIpcMessage(message)) {
+        if (!isIpcMessage(message) || message.message.destination !== "BrowserBackground") {
           return;
         }
 
@@ -53,10 +53,14 @@ export class IpcBackgroundService extends IpcService {
           return;
         }
 
-        this.communicationBackend?.deliver_message(
-          new IncomingMessage(message.message.payload, message.message.destination, {
-            Web: { id: sender.tab.id },
-          }),
+        this.communicationBackend?.receive(
+          new IncomingMessage(
+            new Uint8Array(message.message.payload),
+            message.message.destination,
+            {
+              Web: { id: sender.tab.id },
+            },
+          ),
         );
       });
 
diff --git a/apps/web/src/app/platform/ipc/web-ipc.service.ts b/apps/web/src/app/platform/ipc/web-ipc.service.ts
index e088de2473b..06f3c660218 100644
--- a/apps/web/src/app/platform/ipc/web-ipc.service.ts
+++ b/apps/web/src/app/platform/ipc/web-ipc.service.ts
@@ -27,7 +27,7 @@ export class WebIpcService extends IpcService {
                 type: "bitwarden-ipc-message",
                 message: {
                   destination: message.destination,
-                  payload: message.payload,
+                  payload: [...message.payload],
                   topic: message.topic,
                 },
               } satisfies IpcMessage,
@@ -50,9 +50,16 @@ export class WebIpcService extends IpcService {
           return;
         }
 
-        this.communicationBackend?.deliver_message(
+        if (
+          typeof message.message.destination !== "object" ||
+          message.message.destination.Web == undefined
+        ) {
+          return;
+        }
+
+        this.communicationBackend?.receive(
           new IncomingMessage(
-            message.message.payload,
+            new Uint8Array(message.message.payload),
             message.message.destination,
             "BrowserBackground",
             message.message.topic,
diff --git a/libs/common/src/platform/ipc/ipc-message.ts b/libs/common/src/platform/ipc/ipc-message.ts
index c0702f07567..abd352da1c0 100644
--- a/libs/common/src/platform/ipc/ipc-message.ts
+++ b/libs/common/src/platform/ipc/ipc-message.ts
@@ -2,7 +2,11 @@ import type { OutgoingMessage } from "@bitwarden/sdk-internal";
 
 export interface IpcMessage {
   type: "bitwarden-ipc-message";
-  message: Omit<OutgoingMessage, "free">;
+  message: SerializedOutgoingMessage;
+}
+
+export interface SerializedOutgoingMessage extends Omit<OutgoingMessage, "free" | "payload"> {
+  payload: number[];
 }
 
 export function isIpcMessage(message: any): message is IpcMessage {
diff --git a/libs/common/src/platform/ipc/ipc.service.ts b/libs/common/src/platform/ipc/ipc.service.ts
index c3cd77d9850..134e615fc8b 100644
--- a/libs/common/src/platform/ipc/ipc.service.ts
+++ b/libs/common/src/platform/ipc/ipc.service.ts
@@ -23,6 +23,8 @@ export abstract class IpcService {
 
   protected async initWithClient(client: IpcClient): Promise<void> {
     this._client = client;
+    await this._client.start();
+
     this._messages$ = new Observable<IncomingMessage>((subscriber) => {
       let isSubscribed = true;
       const receiveLoop = async () => {
diff --git a/package-lock.json b/package-lock.json
index 70b4823a613..2b6cf7eea47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,7 +24,7 @@
         "@angular/platform-browser": "19.2.14",
         "@angular/platform-browser-dynamic": "19.2.14",
         "@angular/router": "19.2.14",
-        "@bitwarden/sdk-internal": "0.2.0-main.177",
+        "@bitwarden/sdk-internal": "0.2.0-main.198",
         "@electron/fuses": "1.8.0",
         "@emotion/css": "11.13.5",
         "@koa/multer": "3.1.0",
@@ -4378,10 +4378,25 @@
       "link": true
     },
     "node_modules/@bitwarden/sdk-internal": {
-      "version": "0.2.0-main.177",
-      "resolved": "https://registry.npmjs.org/@bitwarden/sdk-internal/-/sdk-internal-0.2.0-main.177.tgz",
-      "integrity": "sha512-2fp/g0WJDPPrIqrU88QrwoJsZTzoi7S7eCf+Qq0/8x3ImqQyoYJEdHdz06YHjUdS0CzucPrwTo5zJ/ZvcLNOmQ==",
-      "license": "GPL-3.0"
+      "version": "0.2.0-main.198",
+      "resolved": "https://registry.npmjs.org/@bitwarden/sdk-internal/-/sdk-internal-0.2.0-main.198.tgz",
+      "integrity": "sha512-/MRdlcBqGxFEK/p6bU4hu5ZRoa+PqU88S+xnQaFrCXsWCTXrC8Nvm46iiz6gAqdbfFQWFNLCtmoNx6LFUdRuNg==",
+      "license": "GPL-3.0",
+      "dependencies": {
+        "type-fest": "^4.41.0"
+      }
+    },
+    "node_modules/@bitwarden/sdk-internal/node_modules/type-fest": {
+      "version": "4.41.0",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-4.41.0.tgz",
+      "integrity": "sha512-TeTSQ6H5YHvpqVwBRcnLDCBnDOHWYu7IvGbHT6N8AOymcr9PJGjc1GTtiWZTYg0NCgYwvnYWEkVChQAr9bjfwA==",
+      "license": "(MIT OR CC0-1.0)",
+      "engines": {
+        "node": ">=16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
     },
     "node_modules/@bitwarden/send-ui": {
       "resolved": "libs/tools/send/send-ui",
diff --git a/package.json b/package.json
index f867b251720..d887138ea94 100644
--- a/package.json
+++ b/package.json
@@ -160,7 +160,7 @@
     "@angular/platform-browser": "19.2.14",
     "@angular/platform-browser-dynamic": "19.2.14",
     "@angular/router": "19.2.14",
-    "@bitwarden/sdk-internal": "0.2.0-main.177",
+    "@bitwarden/sdk-internal": "0.2.0-main.198",
     "@electron/fuses": "1.8.0",
     "@emotion/css": "11.13.5",
     "@koa/multer": "3.1.0",