diff --git a/ee/elastic/docs/20250929100948_add_risk_score_field_to_vulnerability.yml b/ee/elastic/docs/20250929100948_add_risk_score_field_to_vulnerability.yml
new file mode 100644
index 0000000000000000000000000000000000000000..89da2695294a2007b89d5d500758dce46fe2d42c
--- /dev/null
+++ b/ee/elastic/docs/20250929100948_add_risk_score_field_to_vulnerability.yml
@@ -0,0 +1,11 @@
+---
+name: AddRiskScoreFieldToVulnerability
+version: '20250929100948'
+description: Adds the vulnerability risk score field to the Vulnerability index.
+  The risk score will synced from vulnerability_finding_risk_scores table
+group: group::security infrastructure
+milestone: '18.5'
+introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/206657
+obsolete: false
+marked_obsolete_by_url:
+marked_obsolete_in_milestone:
diff --git a/ee/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability.rb b/ee/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability.rb
new file mode 100644
index 0000000000000000000000000000000000000000..0c16b8f43030bce5f0898f7354fe2e2d7dcc1a4f
--- /dev/null
+++ b/ee/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddRiskScoreFieldToVulnerability < Elastic::Migration
+  include ::Search::Elastic::MigrationUpdateMappingsHelper
+
+  DOCUMENT_TYPE = Vulnerability
+
+  private
+
+  def new_mappings
+    {
+      risk_score: {
+        type: 'float'
+      }
+    }
+  end
+end
diff --git a/ee/lib/search/elastic/types/vulnerability.rb b/ee/lib/search/elastic/types/vulnerability.rb
index 6eebc4f429d0e7edd99ec46840295127f345b7e9..9866d03ffa2590f2ad1f045ddf1f990966599bf5 100644
--- a/ee/lib/search/elastic/types/vulnerability.rb
+++ b/ee/lib/search/elastic/types/vulnerability.rb
@@ -72,6 +72,7 @@ def base_mappings
               epss_scores: { type: 'float' },
               reachability: { type: 'short' }, # enum
               token_status: { type: 'short' }, # enum
+              risk_score: { type: 'float' },
               schema_version: { type: 'short' }
             }
           end
diff --git a/ee/spec/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability_spec.rb b/ee/spec/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability_spec.rb
new file mode 100644
index 0000000000000000000000000000000000000000..291a32dadf7ae1747500587f9b446b5a3d98c450
--- /dev/null
+++ b/ee/spec/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability_spec.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require File.expand_path('ee/elastic/migrate/20250929100948_add_risk_score_field_to_vulnerability.rb')
+
+RSpec.describe AddRiskScoreFieldToVulnerability, :elastic, feature_category: :vulnerability_management do
+  let(:version) { 20250929100948 }
+
+  include_examples 'migration adds mapping'
+end
diff --git a/ee/spec/lib/search/elastic/types/vulnerability_spec.rb b/ee/spec/lib/search/elastic/types/vulnerability_spec.rb
index 235db7dee6e05e99b197982bd60a19b2ad9736b4..8b818c4a430339dae6e4d21582dded4128725709 100644
--- a/ee/spec/lib/search/elastic/types/vulnerability_spec.rb
+++ b/ee/spec/lib/search/elastic/types/vulnerability_spec.rb
@@ -34,6 +34,7 @@
       :epss_scores,
       :reachability,
       :token_status,
+      :risk_score,
       :schema_version]
   end