diff --git a/src/mono/mono/component/debugger-agent.c b/src/mono/mono/component/debugger-agent.c
index 4dd4413ffc10b6..6626c4fd9c7335 100644
--- a/src/mono/mono/component/debugger-agent.c
+++ b/src/mono/mono/component/debugger-agent.c
@@ -83,6 +83,7 @@
 #include <mono/utils/mono-threads.h>
 #include <mono/utils/mono-proclib.h>
 #include <mono/utils/w32api.h>
+#include <mono/utils/mono-mmap.h>
 #include <mono/utils/mono-logger-internals.h>
 #include <mono/utils/mono-proclib.h>
 
@@ -7614,6 +7615,26 @@ vm_commands (int command, int id, guint8 *p, guint8 *end, Buffer *buf)
 		}
 		break;
 	}
+	case CMD_VM_GET_SYSTEM_INFORMATION: {
+		int processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_UNKNOWN;
+		int page_size = mono_pagesize ();
+
+#if defined(TARGET_AMD64)
+		processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_AMD64;
+#elif defined(TARGET_X86)
+		processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_INTEL;
+#elif defined(TARGET_ARM64)
+		processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_ARM64;
+#elif defined(TARGET_ARM)
+		processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_ARM;
+#elif defined(TARGET_WASM)
+		processor_architecture = CYCORDEBUG_PROCESSOR_ARCHITECTURE_AMD64;
+#endif
+
+		buffer_add_int (buf, processor_architecture);
+		buffer_add_int (buf, page_size);
+		break;
+	}
 	case MDBGPROT_CMD_GET_ASSEMBLY_BYTES: { //only used by wasm
 #ifdef HOST_WASM
 		char* assembly_name = m_dbgprot_decode_string (p, &p, end);
diff --git a/src/mono/mono/component/debugger-engine.h b/src/mono/mono/component/debugger-engine.h
index 2786b830de3a55..bd5fce0c29ad87 100644
--- a/src/mono/mono/component/debugger-engine.h
+++ b/src/mono/mono/component/debugger-engine.h
@@ -56,6 +56,7 @@
 #define CMD_VM_GET_TYPES MDBGPROT_CMD_VM_GET_TYPES
 #define CMD_VM_START_BUFFERING MDBGPROT_CMD_VM_START_BUFFERING
 #define CMD_VM_STOP_BUFFERING MDBGPROT_CMD_VM_STOP_BUFFERING
+#define CMD_VM_GET_SYSTEM_INFORMATION MDBGPROT_CMD_VM_GET_SYSTEM_INFORMATION
 
 #define CMD_APPDOMAIN_GET_ROOT_DOMAIN MDBGPROT_CMD_APPDOMAIN_GET_ROOT_DOMAIN
 #define CMD_APPDOMAIN_GET_FRIENDLY_NAME MDBGPROT_CMD_APPDOMAIN_GET_FRIENDLY_NAME
diff --git a/src/mono/mono/component/debugger-protocol.h b/src/mono/mono/component/debugger-protocol.h
index 478e2417adae02..32cceb72ce4c99 100644
--- a/src/mono/mono/component/debugger-protocol.h
+++ b/src/mono/mono/component/debugger-protocol.h
@@ -11,7 +11,17 @@
  */
 
 #define MAJOR_VERSION 2
-#define MINOR_VERSION 67
+#define MINOR_VERSION 68
+
+/*
+ * Processor architecture constants for GetSystemInformation command.
+ * These values must match PROCESSOR_ARCHITECTURE_* from winnt.h — do not change them.
+ */
+#define CYCORDEBUG_PROCESSOR_ARCHITECTURE_INTEL   0
+#define CYCORDEBUG_PROCESSOR_ARCHITECTURE_ARM     5
+#define CYCORDEBUG_PROCESSOR_ARCHITECTURE_AMD64   9
+#define CYCORDEBUG_PROCESSOR_ARCHITECTURE_ARM64   12
+#define CYCORDEBUG_PROCESSOR_ARCHITECTURE_UNKNOWN 0xFFFF
 
 typedef enum {
 	MDBGPROT_CMD_COMPOSITE = 100
@@ -40,7 +50,8 @@ typedef enum {
 	MDBGPROT_CMD_GET_ASSEMBLY_BYTES = 20, //wasm specific
 	MDBGPROT_CMD_GET_ENC_CAPABILITIES = 21,
 	MDBGPROT_CMD_VM_GET_OBJECT_ID_BY_ADDRESS = 22,
-	MDBGPROT_CMD_GET_INTERNAL_TYPE_CLASS = 23
+	MDBGPROT_CMD_GET_INTERNAL_TYPE_CLASS = 23,
+	MDBGPROT_CMD_VM_GET_SYSTEM_INFORMATION = 26
 } MdbgProtCmdVM;
 
 typedef enum {