Background Security Improvements for iOS, iPadOS, and macOS
Apple released Background Security Improvements for iOS, iPadOS, and macOS on 17/03/2026. This release fixes security vulnerabilities
Manufacturer release date: 17/03/2026
Article last updated: 05/10/2026
Sources last checked: 05/10/2026
The source check for this release hasn't completed in over 24 hours — some information may be out of date. The manufacturer's official page below is always the most current source.
What has changed
Who should check
Covers: iPhone / iOS, iPad / iPadOS, Mac / macOS.
Applies to: iOS 26.3.1, iPadOS 26.3.1, macOS 26.3.1, macOS 26.3.2.
We don't know which software your device is running. The steps below show you how to check — then compare what you see with the affected versions listed here.
What to do
On the device, open Settings > General > Software Update and install the version Apple offers.
Updates only reach the model generations Apple lists for each release. Older devices stay on an older branch — check Apple's security releases page for which branch the model receives.
How to check, and how to update
iPhone
Check the version: On your iPhone, open Settings > General > About. The Software Version line shows what's installed.
Install the update: Open Settings > General > Software Update. If an update is listed, follow the instructions to download and install it.
iPad
Check the version: On your iPad, open Settings > General > About. The Software Version line shows what's installed.
Install the update: Open Settings > General > Software Update. If an update is listed, follow the instructions to download and install it.
Mac
Check the version: On your Mac, from the Apple menu choose About This Mac. It shows the macOS version installed.
Install the update: Open System Settings (or System Preferences on older versions), then General > Software Update. Install the update that applies to your Mac.
Menus can differ slightly between models and software versions — if something looks different, follow the manufacturer's official page below.
Apple: Update the software on your iPhone or iPadOfficial sources
- Apple Support(support.apple.com)
- Apple Support(support.apple.com)
Record history
- 05/10/2026 — published: Initial automated publication from official sources.
This article is automatically summarised from official sources. It isn't a manual editorial review. Guidance can help reduce risk. No setting or service can guarantee complete online safety.
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