diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dcca386faa..e0b12e9868 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,6 +24,12 @@ jobs:
           - NodeVersion: 24.11.x
             NodeVersionDisplayName: 24
             OS: windows-latest
+          - NodeVersion: 26.7.x
+            NodeVersionDisplayName: 26
+            OS: ubuntu-latest
+          - NodeVersion: 26.7.x
+            NodeVersionDisplayName: 26
+            OS: windows-latest
     name: Node.js v${{ matrix.NodeVersionDisplayName }} (${{ matrix.OS }})
     runs-on: ${{ matrix.OS }}
     env:
@@ -73,6 +79,8 @@ jobs:
       - name: Rush retest (install-run-rush)
         run: node common/scripts/install-run-rush.js retest --verbose --production
         working-directory: repo-a
+        env:
+          NODE_OPTIONS: ${{ matrix.NodeVersionDisplayName == 26 && '--no-experimental-webstorage' || '' }}
 
       - name: Run package manager integration tests
         run: npm run test
@@ -109,7 +117,11 @@ jobs:
       - name: Rush test (rush-lib)
         run: node ${{ github.workspace }}/repo-a/apps/rush/lib-commonjs/start-dev.js test --verbose --production --timeline
         working-directory: repo-b
+        env:
+          NODE_OPTIONS: ${{ matrix.NodeVersionDisplayName == 26 && '--no-experimental-webstorage' || '' }}
 
       - name: Rush test (rush-lib) again to verify build cache hits
         run: node ${{ github.workspace }}/repo-a/apps/rush/lib-commonjs/start-dev.js test --verbose --production --timeline
         working-directory: repo-b
+        env:
+          NODE_OPTIONS: ${{ matrix.NodeVersionDisplayName == 26 && '--no-experimental-webstorage' || '' }}
diff --git a/common/changes/@microsoft/rush/node-26_2026-08-17-12-00.json b/common/changes/@microsoft/rush/node-26_2026-08-17-12-00.json
new file mode 100644
index 0000000000..dc5b3d23a4
--- /dev/null
+++ b/common/changes/@microsoft/rush/node-26_2026-08-17-12-00.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/rush",
+      "comment": "Add support for Node 26.",
+      "type": "none"
+    }
+  ],
+  "packageName": "@microsoft/rush"
+}
diff --git a/common/config/azure-pipelines/templates/install-node.yaml b/common/config/azure-pipelines/templates/install-node.yaml
index c7f782a991..a2ff74d718 100644
--- a/common/config/azure-pipelines/templates/install-node.yaml
+++ b/common/config/azure-pipelines/templates/install-node.yaml
@@ -1,7 +1,7 @@
 parameters:
   - name: NodeMajorVersion
     type: number
-    default: 22
+    default: 24
 
 steps:
   - task: NodeTool@0
diff --git a/libraries/rush-lib/src/logic/NodeJsCompatibility.ts b/libraries/rush-lib/src/logic/NodeJsCompatibility.ts
index b39d4a954b..d2f579be3d 100644
--- a/libraries/rush-lib/src/logic/NodeJsCompatibility.ts
+++ b/libraries/rush-lib/src/logic/NodeJsCompatibility.ts
@@ -17,7 +17,7 @@ import { RushConstants } from './RushConstants';
  * LTS schedule: https://nodejs.org/en/about/releases/
  * LTS versions: https://nodejs.org/en/download/releases/
  */
-const UPCOMING_NODE_LTS_VERSION: number = 24;
+const UPCOMING_NODE_LTS_VERSION: number = 26;
 const nodeVersion: string = process.versions.node;
 const nodeMajorVersion: number = semver.major(nodeVersion);
 
diff --git a/rush.json b/rush.json
index 47ed0bccf6..ae0adcfd3c 100644
--- a/rush.json
+++ b/rush.json
@@ -42,7 +42,7 @@
    * LTS schedule: https://nodejs.org/en/about/releases/
    * LTS versions: https://nodejs.org/en/download/releases/
    */
-  "nodeSupportedVersionRange": ">=20.9.0 <21.0.0 || >=22.12.0 <23.0.0 || >=24.11.1 <25.0.0",
+  "nodeSupportedVersionRange": ">=20.9.0 <21.0.0 || >=22.12.0 <23.0.0 || >=24.11.1 <25.0.0 || >=26.7.0 <27.0.0",
 
   /**
    * If the version check above fails, Rush will display a message showing the current