Should you update to iOS 18.7.10?
No: install iOS 18.7.11 instead. iOS 18.7.10 is a security update Apple released on 17 Aug 2026 for iPhone and iPad. It fixes 131 security flaws.[1] None of them is known to be used in attacks.
It has since been replaced by iOS 18.7.11, released 26 Oct 2026, which includes all of its fixes. If you’re on an older version, install that instead.
Should you update?
No: install iOS 18.7.11 instead. iOS 18.7.11 came out on 26 Oct 2026 and includes every fix in iOS 18.7.10, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is iOS 18.7.10 still safe?
Not any more. iOS 18.7.11 fixes 3 security flaws that iOS 18.7.10 doesn’t, and each became public the day its fix shipped. Installing it is safe: get it only from Settings → General → Software Update, never from a link in an email, text or pop-up.
What it fixes
Apple lists 131 security flaws across 47 parts of iOS. For each, Apple says what an attacker could have done before the fix.[1]
| Part | Flaws | What an attacker could do |
|---|---|---|
| WebKit | 40 | Processing maliciously crafted web content may lead to an unexpected Safari crash |
| Kernel | 19 | An app may be able to cause unexpected system termination or corrupt kernel memory |
| Model I/O | 9 | Processing a maliciously crafted image may corrupt process memory |
| ImageIO | 6 | Processing a maliciously crafted image may corrupt process memory |
| SceneKit | 4 | Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution |
| WebRTC | 4 | Processing maliciously crafted web content may lead to an unexpected Safari crash |
| Contacts | 3 | An app may be able to add contacts without user authorization |
| CoreAudio | 3 | Processing a maliciously crafted audio file may corrupt process memory |
| AVEVideoEncoder | 2 | An app may be able to execute arbitrary code with kernel privileges |
| CoreUI | 2 | Processing a maliciously crafted asset catalog may result in disclosure of process memory |
| curl | 2 | Authentication credentials may be sent to a server on another origin |
| Game Center | 2 | A malicious app may be able to break out of its sandbox |
| Accessibility | 1 | An attacker with physical access may be able to access sensitive user data during iPhone Mirroring |
| Accounts | 1 | A malicious application may be able to bypass Privacy preferences |
| AirDrop | 1 | An attacker in a privileged network position may be able to cause a denial-of-service |
| 32 other parts | 32 |
How to update, and how long it takes
It takes 15 to 45 minutes in all: a few minutes to download, then it prepares, installs and restarts, and you can’t use the iPhone or iPad while it installs.
- 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 check it worked: Settings → General → About shows the iOS version. It should say 18.7.11 or later.
Older devices
The same day, Apple released iOS 26.6.1 (35 security flaws) for devices that stay on an older version. Each fixes the same holes where they apply.
Before and after
- After: iOS 18.7.11, 26 Oct 2026, 3 security flaws
- iOS updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Apple. “About the security content of iOS 18.7.10”, 17 Aug 2026.