diff --git a/NEWS b/NEWS
index c20c9196400c0..2c91b73b08aaa 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,7 @@ PHP                                                                        NEWS
 
 - CLI:
   . Fixed bug #81496 (Server logs incorrect request method). (lauri)
+  . Fixed bug GH-8575 (CLI closes standard streams too early). (Levi Morrison)
 
 - Core:
   . Fixed bug #81380 (Observer may not be initialized properly). (krakjoe)
diff --git a/ext/zend_test/php_test.h b/ext/zend_test/php_test.h
index e51854699caa2..a08c080ee3730 100644
--- a/ext/zend_test/php_test.h
+++ b/ext/zend_test/php_test.h
@@ -51,6 +51,7 @@ ZEND_BEGIN_MODULE_GLOBALS(zend_test)
 	HashTable global_weakmap;
 	int replace_zend_execute_ex;
 	int register_passes;
+	bool print_stderr_mshutdown;
 	zend_test_fiber *active_fiber;
 ZEND_END_MODULE_GLOBALS(zend_test)
 
diff --git a/ext/zend_test/test.c b/ext/zend_test/test.c
index 0a0f12e79fe2d..c0d46784a2563 100644
--- a/ext/zend_test/test.c
+++ b/ext/zend_test/test.c
@@ -495,6 +495,7 @@ static ZEND_METHOD(ZendTestChildClassWithMethodWithParameterAttribute, override)
 PHP_INI_BEGIN()
 	STD_PHP_INI_BOOLEAN("zend_test.replace_zend_execute_ex", "0", PHP_INI_SYSTEM, OnUpdateBool, replace_zend_execute_ex, zend_zend_test_globals, zend_test_globals)
 	STD_PHP_INI_BOOLEAN("zend_test.register_passes", "0", PHP_INI_SYSTEM, OnUpdateBool, register_passes, zend_zend_test_globals, zend_test_globals)
+	STD_PHP_INI_BOOLEAN("zend_test.print_stderr_mshutdown", "0", PHP_INI_SYSTEM, OnUpdateBool, print_stderr_mshutdown, zend_zend_test_globals, zend_test_globals)
 PHP_INI_END()
 
 void (*old_zend_execute_ex)(zend_execute_data *execute_data);
@@ -620,6 +621,10 @@ PHP_MSHUTDOWN_FUNCTION(zend_test)
 
 	zend_test_observer_shutdown(SHUTDOWN_FUNC_ARGS_PASSTHRU);
 
+	if (ZT_G(print_stderr_mshutdown)) {
+		fprintf(stderr, "[zend_test] MSHUTDOWN\n");
+	}
+
 	return SUCCESS;
 }
 
diff --git a/ext/zend_test/tests/gh8575.phpt b/ext/zend_test/tests/gh8575.phpt
new file mode 100644
index 0000000000000..cacf8249f3104
--- /dev/null
+++ b/ext/zend_test/tests/gh8575.phpt
@@ -0,0 +1,13 @@
+--TEST--
+CLI: stderr is available in mshutdown
+--SKIPIF--
+<?php if (php_sapi_name() != "cli") die('skip cli test only'); ?>
+--EXTENSIONS--
+zend_test
+--INI--
+zend_test.print_stderr_mshutdown=1
+--FILE--
+==DONE==
+--EXPECTF--
+==DONE==
+[zend_test] MSHUTDOWN
diff --git a/sapi/cli/php_cli.c b/sapi/cli/php_cli.c
index 66a1b9ad86b09..0d30d63ec7597 100644
--- a/sapi/cli/php_cli.c
+++ b/sapi/cli/php_cli.c
@@ -526,7 +526,7 @@ static void php_cli_usage(char *argv0)
 
 static php_stream *s_in_process = NULL;
 
-static void cli_register_file_handles(bool no_close) /* {{{ */
+static void cli_register_file_handles(void) /* {{{ */
 {
 	php_stream *s_in, *s_out, *s_err;
 	php_stream_context *sc_in=NULL, *sc_out=NULL, *sc_err=NULL;
@@ -536,6 +536,14 @@ static void cli_register_file_handles(bool no_close) /* {{{ */
 	s_out = php_stream_open_wrapper_ex("php://stdout", "wb", 0, NULL, sc_out);
 	s_err = php_stream_open_wrapper_ex("php://stderr", "wb", 0, NULL, sc_err);
 
+	/* Release stream resources, but don't free the underlying handles. Othewrise,
+	 * extensions which write to stderr or company during mshutdown/gshutdown
+	 * won't have the expected functionality.
+	 */
+	if (s_in) s_in->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+	if (s_out) s_out->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+	if (s_err) s_err->flags |= PHP_STREAM_FLAG_NO_CLOSE;
+
 	if (s_in==NULL || s_out==NULL || s_err==NULL) {
 		if (s_in) php_stream_close(s_in);
 		if (s_out) php_stream_close(s_out);
@@ -543,12 +551,6 @@ static void cli_register_file_handles(bool no_close) /* {{{ */
 		return;
 	}
 
-	if (no_close) {
-		s_in->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-		s_out->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-		s_err->flags |= PHP_STREAM_FLAG_NO_CLOSE;
-	}
-
 	s_in_process = s_in;
 
 	php_stream_to_zval(s_in,  &ic.value);
@@ -954,7 +956,7 @@ static int do_cli(int argc, char **argv) /* {{{ */
 		switch (behavior) {
 		case PHP_MODE_STANDARD:
 			if (script_file) {
-				cli_register_file_handles(/* no_close */ PHP_DEBUG || num_repeats > 1);
+				cli_register_file_handles();
 			}
 
 			if (interactive) {
@@ -989,7 +991,7 @@ static int do_cli(int argc, char **argv) /* {{{ */
 			}
 			break;
 		case PHP_MODE_CLI_DIRECT:
-			cli_register_file_handles(/* no_close */ PHP_DEBUG || num_repeats > 1);
+			cli_register_file_handles();
 			zend_eval_string_ex(exec_direct, NULL, "Command line code", 1);
 			break;
 
@@ -1004,7 +1006,7 @@ static int do_cli(int argc, char **argv) /* {{{ */
 					file_handle.filename = NULL;
 				}
 
-				cli_register_file_handles(/* no_close */ PHP_DEBUG || num_repeats > 1);
+				cli_register_file_handles();
 
 				if (exec_begin) {
 					zend_eval_string_ex(exec_begin, NULL, "Command line begin code", 1);