@@ -150,7 +150,7 @@ std::string EscapeShell(const std::string_view input) {
   }
 
   static constexpr std::string_view forbidden_characters =
-      "[\t\n\r \"#$&'()*;<>?\\\\`|~]";
+      "[\t\n\r \"#$&'()*;<>%?\\\\`|~]";
 
   // Check if input contains any forbidden characters
   // If it doesn't, return the input as is.
@@ -170,6 +170,7 @@ std::string EscapeShell(const std::string_view input) {
   static const std::regex tripleSingleQuote("\\\\\"\"\"");
   escaped = std::regex_replace(escaped, leadingQuotePairs, "");
   escaped = std::regex_replace(escaped, tripleSingleQuote, "\\\"");
+  escaped = std::regex_replace(escaped, std::regex("%"), "^%");
 #else
   // Replace single quotes("'") with "\\'" and wrap the result
   // in single quotes.
 
@@ -9,7 +9,7 @@ const assert = require('node:assert');
 const fixtures = require('../common/fixtures');
 const envSuffix = common.isWindows ? '-windows' : '';
 
-describe('node --run [command]', () => {
+describe('node --run [command]', { concurrency: !process.env.TEST_PARALLEL }, () => {
   it('returns error on non-existent file', async () => {
     const child = await common.spawnPromisified(
       process.execPath,
@@ -222,4 +222,19 @@ describe('node --run [command]', () => {
     assert.strictEqual(child.stdout, '');
     assert.strictEqual(child.code, 1);
   });
+
+  it('escapes shell characters', async () => {
+    const child = await common.spawnPromisified(
+      process.execPath,
+      [ '--run', `positional-args${envSuffix}`, '--', '%PAYLOAD%', '$PAYLOAD'],
+      { cwd: fixtures.path('run-script'), env: { ...process.env, PAYLOAD: 'env value' } },
+    );
+    assert.strictEqual(
+      child.stdout,
+      common.isWindows ?
+        `Raw '"^%PAYLOAD^%" "$PAYLOAD"'\r\nArguments: '%PAYLOAD% $PAYLOAD'\r\nThe total number of arguments are: 2\r\n` :
+        "Arguments: '%PAYLOAD% $PAYLOAD'\nThe total number of arguments are: 2\n");
+    assert.strictEqual(child.stderr, '');
+    assert.strictEqual(child.code, 0);
+  });
 });