Microsoft Defender Endpoint Releases
In brief
The release notes now list iOS platform version 1.1.82230103, released October 24, 2026, with performance improvements and general bug fixes.
What Defender admins need to know
Administrators can use the entry to identify the iOS build and review its documented updates.
Summaries are generated from the documentation change itself.
Documentation change
The comparison below shows only the changed extract. Use the full-page view for complete context.
| OS | Build | Month released | Details | Learn more |
|---|---|---|---|---|
| iOS | 1.1.82230103 | Oct 2026 | - Build: 1.1.82230103- Release: Oct 24, 2026 | Release details and updates |
| macOS | 101.26092.0009 | October 2026 | - Release version: 20.126092.9.0- Engine version: 1.1.26060.12000- Signature version: 1.453.151.0 | Release details and updates |
| Linux | 101.26091.0004 | October 2026 | - Release version: 30.126091.0004.0- Engine version: 1.1.26070.5001- Signature version: 1.457.364.0 | Release details and updates |
| Android | 1.0.9406.0102 | Oct 2026 | - Build: 1.0.9406.0102- Release: Oct 23, 2026 | Release details and updates |
For the latest UX improvements, see iOS UX improvements.
iOS | Oct 2026 | Platform Version: 1.1.82230103
Release details
| Platform version | Release Date |
|---|---|
| 1.1.82230103 | Oct 24, 2026 |
Enhancements and features
| Feature Area | Update Summary |
|---|---|
| Improvements | Performance improvements and general bug fixes. |
iOS | Sep 2026 | Platform Version: 1.1.81160103
Release details
@@ -59,6 +59,7 @@ This table includes supported releases for all supported platforms in the past s
| OS | Build | Month released | Details | Learn more |
| --- | --- | --- | --- | --- |
+| iOS | 1.1.82230103 | Oct 2026 | - Build: 1.1.82230103- Release: Oct 24, 2026 | Release details and updates |
| macOS | 101.26092.0009 | October 2026 | - Release version: 20.126092.9.0- Engine version: 1.1.26060.12000- Signature version: 1.453.151.0 | Release details and updates |
| Linux | 101.26091.0004 | October 2026 | - Release version: 30.126091.0004.0- Engine version: 1.1.26070.5001- Signature version: 1.457.364.0 | Release details and updates |
| Android | 1.0.9406.0102 | Oct 2026 | - Build: 1.0.9406.0102- Release: Oct 23, 2026 | Release details and updates |
@@ -1312,6 +1313,20 @@ See the full list of [Android UX improvements](android-new-ux).
For the latest UX improvements, see [iOS UX improvements](ios-new-ux).
+### iOS | Oct 2026 | Platform Version: 1.1.82230103
+
+#### Release details
+
+| Platform version | Release Date |
+| --- | --- |
+| 1.1.82230103 | Oct 24, 2026 |
+
+#### Enhancements and features
+
+| Feature Area | Update Summary |
+| --- | --- |
+| Improvements | Performance improvements and general bug fixes. |
+
### iOS | Sep 2026 | Platform Version: 1.1.81160103
#### Release details
