Should you update to tvOS 27?
No: install tvOS 27.2 instead. tvOS 27 is a security update Apple released on 14 Sep 2026 for Apple TV. It fixes 101 security flaws.[1] None of them is known to be used in attacks.
It has since been replaced by tvOS 27.2, released 26 Oct 2026, which includes all of its fixes.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 tvOS 27.2 instead. tvOS 27.2 came out on 26 Oct 2026 and includes every fix in tvOS 27, so there’s no reason to stop at this one. Software Update offers the newest version your device can run.
Is tvOS 27 still safe?
Not any more. tvOS 27.2 fixes 72 security flaws that tvOS 27 doesn’t, and each became public the day its fix shipped. Installing it is safe: get it only from Settings → System → Software Updates on the Apple TV, never from a link in an email, text or pop-up.
What it fixes
Apple lists 101 security flaws across 47 parts of tvOS. For each, Apple says what an attacker could have done before the fix.[1]
| Part | Flaws | What an attacker could do |
|---|---|---|
| Kernel | 24 | An app may be able to cause unexpected system termination or corrupt kernel memory |
| ImageIO | 6 | Processing a maliciously crafted image may result in disclosure of process memory |
| SceneKit | 6 | Processing a maliciously crafted file may result in disclosure of process memory |
| WebKit | 6 | Processing maliciously crafted web content may lead to an unexpected process termination |
| AVEVideoEncoder | 3 | An app may be able to cause unexpected system termination |
| Bluetooth | 3 | A remote attacker may be able to cause unexpected app termination or arbitrary code execution |
| CoreUI | 3 | Processing a maliciously crafted file may lead to unexpected app termination |
| Accelerate Framework | 2 | Processing a maliciously crafted image may lead to unexpected process termination |
| CloudKit | 2 | A local app may be able to read a persistent account identifier |
| CoreMedia | 2 | Processing a maliciously crafted video file may lead to unexpected app termination |
| FontParser | 2 | Processing a maliciously crafted font file may lead to unexpected app termination |
| IOMobileFrameBuffer | 2 | An app may be able to cause unexpected system termination or corrupt kernel memory |
| NetworkExtension | 2 | An app may be able to access sensitive user data |
| Photos Storage | 2 | An app may be able to access sensitive user data |
| RealityKit | 2 | Processing a maliciously crafted file may lead to unexpected app termination |
| 32 other parts | 34 |
How to update, and how long it takes
Usually under half an hour. The Apple TV restarts on its own when it’s done.
- Open Settings on the Apple TV.System → Software Updates → Update Software.
- Turn on automatic updates.In the same place, turn on Automatically Update.
To check it worked: Settings → General → About shows the tvOS version. It should say 27.2 or later.
Before and after
- After: tvOS 27.2, 26 Oct 2026, 72 security flaws
- tvOS updates, every release and the latest version
- Updates, the latest version of everything HARD tracks
References
- ^ Apple. “About the security content of tvOS 27”, 14 Sep 2026.