diff --git a/include/cpu.hpp b/include/cpu.hpp
index 1a7623d..07cb072 100644
--- a/include/cpu.hpp
+++ b/include/cpu.hpp
@@ -2098,6 +2098,53 @@ namespace CPU
                 } EDX;
             };
 
+            /** @brief Get CPU hypervisor information */
+            struct CPUID0x40000000
+            {
+                union
+                {
+                    struct
+                    {
+                        /**
+                         * @brief Maximum input value for hypervisor CPUID information.
+                         * @note Can be from 0x40000001 to 0x400000FF
+                         */
+                        uint64_t MaximumInputValue : 32;
+                    };
+                    uint64_t raw;
+                } EAX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } EBX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } ECX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } EDX;
+            };
+
             /** @brief Extended CPU information */
             struct CPUID0x80000000
             {
@@ -2651,6 +2698,53 @@ namespace CPU
                 } EDX;
             };
 
+            /** @brief Get CPU hypervisor information */
+            struct CPUID0x40000000
+            {
+                union
+                {
+                    struct
+                    {
+                        /**
+                         * @brief Maximum input value for hypervisor CPUID information.
+                         * @note Can be from 0x40000001 to 0x400000FF
+                         */
+                        uint64_t MaximumInputValue : 32;
+                    };
+                    uint64_t raw;
+                } EAX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } EBX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } ECX;
+
+                union
+                {
+                    struct
+                    {
+                        /** @brief Hypervisor vendor signature */
+                        char Hypervisor[4];
+                    };
+                    uint64_t raw;
+                } EDX;
+            };
+
             /** @brief Extended CPU information */
             struct CPUID0x80000001
             {