diff --git a/dlls/propsys/tests/propsys.c b/dlls/propsys/tests/propsys.c
index 1e633481786..caff25ef45e 100644
--- a/dlls/propsys/tests/propsys.c
+++ b/dlls/propsys/tests/propsys.c
@@ -508,10 +508,65 @@ static void test_InitPropVariantFromGUIDAsString(void)
     }
 }
 
+static void test_InitPropVariantFromBuffer(void)
+{
+    static const char data_in[] = "test";
+    PROPVARIANT propvar;
+    VARIANT var;
+    HRESULT hres;
+    void *data_out;
+    LONG size;
+
+    hres = InitPropVariantFromBuffer(NULL, 0, &propvar);
+    ok(hres == S_OK, "InitPropVariantFromBuffer returned %x\n", hres);
+    ok(propvar.vt == (VT_VECTOR|VT_UI1), "propvar.vt = %d\n", propvar.vt);
+    ok(propvar.u.caub.cElems == 0, "cElems = %d\n", propvar.u.caub.cElems == 0);
+    PropVariantClear(&propvar);
+
+    hres = InitPropVariantFromBuffer(data_in, 4, &propvar);
+    ok(hres == S_OK, "InitPropVariantFromBuffer returned %x\n", hres);
+    ok(propvar.vt == (VT_VECTOR|VT_UI1), "propvar.vt = %d\n", propvar.vt);
+    ok(propvar.u.caub.cElems == 4, "cElems = %d\n", propvar.u.caub.cElems == 0);
+    ok(!memcmp(propvar.u.caub.pElems, data_in, 4), "Data inside array is incorrect\n");
+    PropVariantClear(&propvar);
+
+    hres = InitVariantFromBuffer(NULL, 0, &var);
+    ok(hres == S_OK, "InitVariantFromBuffer returned %x\n", hres);
+    ok(V_VT(&var) == (VT_ARRAY|VT_UI1), "V_VT(&var) = %d\n", V_VT(&var));
+    size = SafeArrayGetDim(V_ARRAY(&var));
+    ok(size == 1, "SafeArrayGetDim returned %d\n", size);
+    hres = SafeArrayGetLBound(V_ARRAY(&var), 1, &size);
+    ok(hres == S_OK, "SafeArrayGetLBound returned %x\n", hres);
+    ok(size == 0, "LBound = %d\n", size);
+    hres = SafeArrayGetUBound(V_ARRAY(&var), 1, &size);
+    ok(hres == S_OK, "SafeArrayGetUBound returned %x\n", hres);
+    ok(size == -1, "UBound = %d\n", size);
+    VariantClear(&var);
+
+    hres = InitVariantFromBuffer(data_in, 4, &var);
+    ok(hres == S_OK, "InitVariantFromBuffer returned %x\n", hres);
+    ok(V_VT(&var) == (VT_ARRAY|VT_UI1), "V_VT(&var) = %d\n", V_VT(&var));
+    size = SafeArrayGetDim(V_ARRAY(&var));
+    ok(size == 1, "SafeArrayGetDim returned %d\n", size);
+    hres = SafeArrayGetLBound(V_ARRAY(&var), 1, &size);
+    ok(hres == S_OK, "SafeArrayGetLBound returned %x\n", hres);
+    ok(size == 0, "LBound = %d\n", size);
+    hres = SafeArrayGetUBound(V_ARRAY(&var), 1, &size);
+    ok(hres == S_OK, "SafeArrayGetUBound returned %x\n", hres);
+    ok(size == 3, "UBound = %d\n", size);
+    hres = SafeArrayAccessData(V_ARRAY(&var), &data_out);
+    ok(hres == S_OK, "SafeArrayAccessData failed %x\n", hres);
+    ok(!memcmp(data_in, data_out, 4), "Data inside safe array is incorrect\n");
+    hres = SafeArrayUnaccessData(V_ARRAY(&var));
+    ok(hres == S_OK, "SafeArrayUnaccessData failed %x\n", hres);
+    VariantClear(&var);
+}
+
 START_TEST(propsys)
 {
     test_PSStringFromPropertyKey();
     test_PSPropertyKeyFromString();
     test_PSRefreshPropertySchema();
     test_InitPropVariantFromGUIDAsString();
+    test_InitPropVariantFromBuffer();
 }
diff --git a/include/propvarutil.h b/include/propvarutil.h
index 4d2a9b434d8..f7d2e824b8b 100644
--- a/include/propvarutil.h
+++ b/include/propvarutil.h
@@ -39,6 +39,8 @@ HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT p
                                      PROPVAR_CHANGE_FLAGS flags, VARTYPE vt);
 HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar);
 HRESULT WINAPI InitVariantFromGUIDAsString(REFGUID guid, VARIANT *pvar);
+HRESULT WINAPI InitPropVariantFromBuffer(const VOID *pv, UINT cb, PROPVARIANT *ppropvar);
+HRESULT WINAPI InitVariantFromBuffer(const VOID *pv, UINT cb, VARIANT *pvar);
 
 
 #ifdef __cplusplus