iOS updates
The latest version of iOS is 27.2, which Apple released on 26 Oct 2026. It fixes 163 security flaws.[1] It fixes 163 security flaws, and attackers study each release to work out what it fixed.
Since June 2026, Apple has put out 10 iOS security releases, closing one flaw that attackers were already using.
Should you update your iPhone?
Yes, this week. iOS 27.2 came out on 26 Oct 2026. None of its 163 fixes is known to be used in attacks yet. Its page lists what each fix covers. Not ready for iOS 27, or on a device that can’t run it? iOS 26.7.2 has the fixes for iOS 26.
Older devices
Apple keeps fixing older versions for devices that can’t run the newest one. The newest release on each:
| Version | Released | Fixes |
|---|---|---|
| iOS 27.2 | 163 | |
| iOS 26.7.2 | 134 | |
| iOS 18.7.11 | 3 |
How to update
- Back up first if you can.iCloud backup or your computer. Updates rarely go wrong, but a backup makes it painless if one does.
- Open Settings → General → Software Update.Your iPhone or iPad shows the newest version it can run. Tap or click Update Now, or Upgrade Now for a new major version.
- Leave it plugged in.It downloads, prepares and restarts. Expect 15 to 45 minutes.
- Turn on automatic updates.In the same place, under Automatic Updates, turn on both downloading and installing security responses and updates.
To see which version you have: Settings → General → About shows the iOS version.
Every release
Every iOS security release since June 2026, newest first.
| Release | Date | Fixes | Used in attacks |
|---|---|---|---|
| iOS 27.2 | 163 | – | |
| iOS 26.7.2 | 134 | – | |
| iOS 18.7.11 | 3 | 1 | |
| iOS 26.7.1 | 1 | 1 | |
| iOS 27 | 163 | – | |
| iOS 26.7 | 95 | – | |
| iOS 26.6.1 | 35 | – | |
| iOS 18.7.10 | 131 | – | |
| iOS 26.6 | 97 | – | |
| iOS 26.5.2 | 38 | – |
References
- ^ Apple. “Apple security releases”, each release’s notes.