diff --git a/src/corelib/ipc/qtipccommon.cpp b/src/corelib/ipc/qtipccommon.cpp
index 050c79c6290..34c13e7a5cb 100644
--- a/src/corelib/ipc/qtipccommon.cpp
+++ b/src/corelib/ipc/qtipccommon.cpp
@@ -85,6 +85,33 @@ static QNativeIpcKey::Type stringToType(QStringView typeString)
     return QNativeIpcKey::Type{};
 }
 
+#if defined(Q_OS_DARWIN) || defined(QT_BUILD_INTERNAL)
+/*!
+    \internal
+
+    Returns whether this IPC type \a ipcType and key type \a keyType is
+    supported on the current machine, with a runtime check.
+*/
+bool QtIpcCommon::isIpcSupportedAtRuntime(IpcType ipcType, QNativeIpcKey::Type keyType)
+{
+    switch (keyType) {
+    case QNativeIpcKey::Type::SystemV:
+        break;
+
+    case QNativeIpcKey::Type::PosixRealtime:
+    case QNativeIpcKey::Type::Windows:
+        return isIpcSupported(ipcType, keyType);
+    }
+
+#  if defined(Q_OS_DARWIN)
+    // System V IPC is not supported on Apple platforms if the application is
+    // currently running in a sandbox.
+    return !qt_apple_isSandboxed();
+#  endif
+    return isIpcSupported(ipcType, keyType);
+}
+#endif
+
 /*!
     \internal
 
diff --git a/src/corelib/ipc/qtipccommon_p.h b/src/corelib/ipc/qtipccommon_p.h
index fe9900a80d1..32891905d78 100644
--- a/src/corelib/ipc/qtipccommon_p.h
+++ b/src/corelib/ipc/qtipccommon_p.h
@@ -57,6 +57,11 @@ static constexpr bool isIpcSupported(IpcType ipcType, QNativeIpcKey::Type type)
         return QT_CONFIG(sysv_shm);
     return QT_CONFIG(sysv_sem);
 }
+#if defined(Q_OS_DARWIN) || defined(QT_BUILD_INTERNAL)
+bool isIpcSupportedAtRuntime(IpcType type, QNativeIpcKey::Type);
+#else
+static constexpr auto isIpcSupportedAtRuntime = isIpcSupported;
+#endif
 
 Q_AUTOTEST_EXPORT QString
 legacyPlatformSafeKey(const QString &key, IpcType ipcType,