diff --git a/NEWS b/NEWS
index d4ba415294d..92f9b2ee149 100644
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,7 @@ PHP                                                                        NEWS
     type). (ilutov)
   . Fixed bug GH-15181 (Disabled output handler is flushed again). (cmb)
   . Passing E_USER_ERROR to trigger_error() is now deprecated. (Girgias)
+  . Fixed bug GH-15292 (Dynamic AVX detection is broken for MSVC). (nielsdos)
 
 - Date:
   . Constants SUNFUNCS_RET_TIMESTAMP, SUNFUNCS_RET_STRING, and SUNFUNCS_RET_DOUBLE
diff --git a/Zend/zend_cpuinfo.c b/Zend/zend_cpuinfo.c
index 809e379c860..6264031ceba 100644
--- a/Zend/zend_cpuinfo.c
+++ b/Zend/zend_cpuinfo.c
@@ -73,7 +73,7 @@ static void __zend_cpuid(uint32_t func, uint32_t subfunc, zend_cpu_info *cpuinfo
 }
 #endif
 
-#if defined(__i386__) || defined(__x86_64__)
+#if defined(__i386__) || defined(__x86_64__) || defined(_M_X64) || defined(_M_IX86)
 /* Function based on compiler-rt implementation. */
 static unsigned get_xcr0_eax(void) {
 # if defined(__GNUC__) || defined(__clang__)