diff --git a/lib/editor/tiny/plugins/equation/db/access.php b/lib/editor/tiny/plugins/equation/db/access.php
new file mode 100644
index 00000000000..025b275a00e
--- /dev/null
+++ b/lib/editor/tiny/plugins/equation/db/access.php
@@ -0,0 +1,35 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Capabilities for the tiny_equation plugin.
+ *
+ * @package    tiny_equation
+ * @copyright  2025 David Woloszyn <david.woloszyn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$capabilities = [
+    'tiny/equation:use' => [
+        'captype' => 'read',
+        'contextlevel' => CONTEXT_USER,
+        'archetypes' => [
+            'user' => CAP_ALLOW,
+        ],
+    ],
+];
diff --git a/lib/editor/tiny/plugins/equation/lang/en/tiny_equation.php b/lib/editor/tiny/plugins/equation/lang/en/tiny_equation.php
index 15344fe3311..4ca40eb86c7 100644
--- a/lib/editor/tiny/plugins/equation/lang/en/tiny_equation.php
+++ b/lib/editor/tiny/plugins/equation/lang/en/tiny_equation.php
@@ -25,6 +25,7 @@
 $string['buttontitle'] = 'Equation editor';
 $string['cursorinfo'] = 'An arrow indicates the position that new elements from the element library will be inserted.';
 $string['editequation'] = 'Edit equation using <a href="{$a}" target="_blank">TeX</a>';
+$string['equation:use'] = 'Use TinyMCE equation editor';
 $string['librarygroup1'] = 'Operators';
 $string['librarygroup1_desc'] = 'TeX commands listed on the operators tab.';
 $string['librarygroup2'] = 'Arrows';
diff --git a/lib/editor/tiny/plugins/equation/tests/behat/equation.feature b/lib/editor/tiny/plugins/equation/tests/behat/equation.feature
index 9db1640761c..e6f7acd9313 100644
--- a/lib/editor/tiny/plugins/equation/tests/behat/equation.feature
+++ b/lib/editor/tiny/plugins/equation/tests/behat/equation.feature
@@ -34,3 +34,39 @@ Feature: Equation editor
     Then the field "Edit equation using" matches value " \pi "
     And I click on "Save equation" "button"
     And the field "Description" matches value "<p>\( \pi \)</p>"
+
+  @javascript
+  Scenario: Permissions can be configured to control access to equation editor
+    Given the following "users" exist:
+      | username | firstname | lastname | email                |
+      | teacher1 | Teacher   | 1        | teacher1@example.com |
+      | teacher2 | Teacher   | 2        | teacher2@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1        | topics |
+    And the following "roles" exist:
+      | name           | shortname | description         | archetype      |
+      | Custom teacher | custom1   | Limited permissions | editingteacher |
+    And the following "course enrolments" exist:
+      | user     | course | role           |
+      | teacher1 | C1     | editingteacher |
+      | teacher2 | C1     | custom1        |
+    And the following "activity" exists:
+      | activity | assign          |
+      | course   | C1              |
+      | name     | Test assignment |
+    And the following "permission overrides" exist:
+      | capability        | permission | role    | contextlevel | reference |
+      | tiny/equation:use | Prohibit   | custom1 | Course       | C1        |
+    # Check plugin access as a role with prohibited permissions.
+    And I log in as "teacher2"
+    And I am on the "Test assignment" Activity page
+    And I navigate to "Settings" in current page administration
+    When I click on the "Insert" menu item for the "Activity instructions" TinyMCE editor
+    Then I should not see "Equation editor"
+    # Check plugin access as a role with allowed permissions.
+    And I log in as "teacher1"
+    And I am on the "Test assignment" Activity page
+    And I navigate to "Settings" in current page administration
+    And I click on the "Insert" menu item for the "Activity instructions" TinyMCE editor
+    And I should see "Equation editor"
diff --git a/lib/editor/tiny/plugins/equation/version.php b/lib/editor/tiny/plugins/equation/version.php
index eebc0be8b18..abfa0496b27 100644
--- a/lib/editor/tiny/plugins/equation/version.php
+++ b/lib/editor/tiny/plugins/equation/version.php
@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2024121800;
+$plugin->version   = 2025012300;
 $plugin->requires  = 2024100100;
 $plugin->component = 'tiny_equation';