diff --git a/x-pack/plugins/cases/server/client/alerts/types.ts b/x-pack/plugins/cases/server/client/alerts/types.ts
index d5e6c2e8252e9..ed2b6626427a9 100644
--- a/x-pack/plugins/cases/server/client/alerts/types.ts
+++ b/x-pack/plugins/cases/server/client/alerts/types.ts
@@ -39,6 +39,6 @@ export interface AlertGet {
 }
 
 export interface UpdateAlertCasesRequest {
-  alerts: Array<{ id: string; index: string }>;
+  alerts: AlertInfo[];
   caseIds: string[];
 }
diff --git a/x-pack/plugins/cases/server/common/models/case_with_comments.ts b/x-pack/plugins/cases/server/common/models/case_with_comments.ts
index 3a21fd3141ac6..cba3d461af45d 100644
--- a/x-pack/plugins/cases/server/common/models/case_with_comments.ts
+++ b/x-pack/plugins/cases/server/common/models/case_with_comments.ts
@@ -35,13 +35,12 @@ import {
 import type { CasesClientArgs } from '../../client';
 import type { RefreshSetting } from '../../services/types';
 import { createCaseError } from '../error';
-import type { CaseSavedObject } from '../types';
+import type { AlertInfo, CaseSavedObject } from '../types';
 import {
   countAlertsForID,
   flattenCommentSavedObjects,
   transformNewComment,
   getOrUpdateLensReferences,
-  createAlertUpdateStatusRequest,
   isCommentRequestTypeAlert,
   getAlertInfoFromComments,
 } from '../utils';
@@ -312,31 +311,28 @@ export class CaseCommentModel {
       (attachment): attachment is CommentRequestAlertType => attachment.type === CommentType.alert
     );
 
-    if (this.caseInfo.attributes.settings.syncAlerts) {
-      await this.updateAlertsStatus(alertAttachments);
-    }
+    const alerts = getAlertInfoFromComments(alertAttachments);
+
+    if (alerts.length > 0) {
+      await this.params.services.alertsService.ensureAlertsAuthorized({ alerts });
+      await this.updateAlertsSchemaWithCaseInfo(alerts);
 
-    if (alertAttachments.length > 0) {
-      await this.updateAlertsSchemaWithCaseInfo(alertAttachments);
+      if (this.caseInfo.attributes.settings.syncAlerts) {
+        await this.updateAlertsStatus(alerts);
+      }
     }
   }
 
-  private async updateAlertsStatus(alerts: CommentRequest[]) {
-    const alertsToUpdate = alerts
-      .map((alert) =>
-        createAlertUpdateStatusRequest({
-          comment: alert,
-          status: this.caseInfo.attributes.status,
-        })
-      )
-      .flat();
+  private async updateAlertsStatus(alerts: AlertInfo[]) {
+    const alertsToUpdate = alerts.map((alert) => ({
+      ...alert,
+      status: this.caseInfo.attributes.status,
+    }));
 
     await this.params.services.alertsService.updateAlertsStatus(alertsToUpdate);
   }
 
-  private async updateAlertsSchemaWithCaseInfo(alertAttachments: CommentRequestAlertType[]) {
-    const alerts = getAlertInfoFromComments(alertAttachments);
-
+  private async updateAlertsSchemaWithCaseInfo(alerts: AlertInfo[]) {
     await this.params.services.alertsService.bulkUpdateCases({
       alerts,
       caseIds: [this.caseInfo.id],
diff --git a/x-pack/plugins/cases/server/services/alerts/index.ts b/x-pack/plugins/cases/server/services/alerts/index.ts
index ad089857e2846..c79587aa57fb1 100644
--- a/x-pack/plugins/cases/server/services/alerts/index.ts
+++ b/x-pack/plugins/cases/server/services/alerts/index.ts
@@ -182,6 +182,10 @@ export class AlertService {
     );
   }
 
+  private getNonEmptyAlerts(alerts: AlertInfo[]): AlertInfo[] {
+    return alerts.filter((alert) => !AlertService.isEmptyAlert(alert));
+  }
+
   public async getAlerts(alertsInfo: AlertInfo[]): Promise<MgetResponse<Alert> | undefined> {
     try {
       const docs = alertsInfo
@@ -207,7 +211,7 @@ export class AlertService {
 
   public async bulkUpdateCases({ alerts, caseIds }: UpdateAlertCasesRequest): Promise<void> {
     try {
-      const nonEmptyAlerts = alerts.filter((alert) => !AlertService.isEmptyAlert(alert));
+      const nonEmptyAlerts = this.getNonEmptyAlerts(alerts);
 
       if (nonEmptyAlerts.length <= 0) {
         return;
@@ -225,6 +229,26 @@ export class AlertService {
       });
     }
   }
+
+  public async ensureAlertsAuthorized({ alerts }: { alerts: AlertInfo[] }): Promise<void> {
+    try {
+      const nonEmptyAlerts = this.getNonEmptyAlerts(alerts);
+
+      if (nonEmptyAlerts.length <= 0) {
+        return;
+      }
+
+      await this.alertsClient.ensureAllAlertsAuthorizedRead({
+        alerts: nonEmptyAlerts,
+      });
+    } catch (error) {
+      throw createCaseError({
+        message: `Failed to authorize alerts: ${error}`,
+        error,
+        logger: this.logger,
+      });
+    }
+  }
 }
 
 interface TranslatedUpdateAlertRequest {