diff --git a/src/hotspot/cpu/x86/vm_version_x86.cpp b/src/hotspot/cpu/x86/vm_version_x86.cpp
index 6112c280a1d..e395dd301f4 100644
--- a/src/hotspot/cpu/x86/vm_version_x86.cpp
+++ b/src/hotspot/cpu/x86/vm_version_x86.cpp
@@ -1343,7 +1343,7 @@ void VM_Version::get_processor_features() {
   }
 
   if (UseSHA && ((supports_evex() && supports_avx512vlbw()) ||
-      (EnableX86ECoreOpts && !supports_hybrid()))) {
+      (supports_avx2() && EnableX86ECoreOpts && !supports_hybrid()))) {
     if (FLAG_IS_DEFAULT(UseSHA3Intrinsics)) {
       FLAG_SET_DEFAULT(UseSHA3Intrinsics, true);
     }
diff --git a/test/hotspot/jtreg/compiler/cpuflags/TestEnableX86ECoreOptsWithAVX2Disabled.java b/test/hotspot/jtreg/compiler/cpuflags/TestEnableX86ECoreOptsWithAVX2Disabled.java
new file mode 100644
index 00000000000..c31514bbba1
--- /dev/null
+++ b/test/hotspot/jtreg/compiler/cpuflags/TestEnableX86ECoreOptsWithAVX2Disabled.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8388186
+ * @summary Test for VM crash with -XX:+EnableX86ECoreOpts and UseAVX < 2.
+ * @requires vm.flagless
+ * @requires os.arch == "amd64" | os.arch == "x86_64"
+ * @library /test/lib
+ * @run driver ${test.main.class}
+ */
+
+package compiler.cpuflags;
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class TestEnableX86ECoreOptsWithAVX2Disabled {
+    static final String[] OPTIONS = {
+        "-XX:UseSSE=2",
+        "-XX:UseSSE=3",
+        "-XX:UseAVX=0",
+        "-XX:UseAVX=1"
+    };
+
+    public static void main(String[] args) throws Exception {
+        for (String option : OPTIONS) {
+            OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
+                                                 "-XX:+UnlockDiagnosticVMOptions",
+                                                 "-XX:+EnableX86ECoreOpts",
+                                                 option,
+                                                 "-version");
+            output.shouldHaveExitValue(0);
+        }
+    }
+}