What tvOS 26.5 Fixes
tvOS 26.5, released May 11, 2026, fixes 48 vulnerabilities in 21 parts of the system, according to Apple's security advisory.
Apple does not say that any of them were exploited before the fix. That makes tvOS 26.5 a routine security update: worth installing soon, not an emergency.
It has since been superseded: the newest security release for tvOS 26 is tvOS 26.6, from July 27, 2026, which includes these fixes.
| What an attacker could do | Fixes |
|---|---|
| Elevated privileges or sandbox escape | 9 |
| Private data or protections bypassed | 3 |
| Crash or denial of service | 33 |
| Other | 3 |
Grouped by us from the impact Apple gives for each fix; the impact lines below are Apple's own.
Which Devices Get tvOS 26.5
Apple lists tvOS 26.5 for: Apple TV HD and Apple TV 4K (all models).
How to Install tvOS 26.5
On the Apple TV, open Settings → System → Software Updates.
Security fixes are cumulative: any later release for the same version includes these as well, so if you are already past tvOS 26.5 there is nothing to do.
Every Fix in tvOS 26.5
All 48 CVEs in Apple's advisory, the most serious kinds first. Each entry is the part of the system affected, Apple's description of the impact and the fix, and the CVE ID.
-
App Intents
A malicious app may be able to break out of its sandbox
A logic issue was addressed with improved restrictions.
CVE-2026-28995 -
IOHIDFamily
An app may be able to determine kernel memory layout
A logging issue was addressed with improved data redaction.
CVE-2026-28943 -
IOSkywalkFamily
An app may be able to disclose kernel memory
A memory corruption issue was addressed with improved memory handling.
CVE-2026-39877 -
IOSurfaceAccelerator
An app may be able to cause unexpected system termination or read kernel memory
An out-of-bounds read was addressed with improved bounds checking.
CVE-2026-43655 -
Kernel
An app may be able to disclose kernel memory
The issue was addressed with improved memory handling.
CVE-2026-43654 -
Kernel
A local user may be able to cause unexpected system termination or read kernel memory
A buffer overflow was addressed with improved input validation.
CVE-2026-28897 -
Kernel
An app may be able to cause unexpected system termination or write kernel memory
An out-of-bounds write issue was addressed with improved input validation.
CVE-2026-28972 -
mDNSResponder
A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
A use after free issue was addressed with improved memory management.
CVE-2026-43668 -
Wi-Fi
An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Wi-Fi packets
A use after free issue was addressed with improved memory management.
CVE-2026-28994 -
Kernel
An app may be able to leak sensitive kernel state
A logging issue was addressed with improved data redaction.
CVE-2026-28987 -
Storage
An app may be able to access sensitive user data
A race condition was addressed with additional validation.
CVE-2026-28996 -
zlib
Visiting a maliciously crafted website may leak sensitive data
An information leakage was addressed with additional validation.
CVE-2026-28920 -
Accelerate
An app may be able to cause a denial-of-service
An out-of-bounds read was addressed with improved bounds checking.
CVE-2026-28991 -
APFS
An app may be able to cause unexpected system termination
A buffer overflow was addressed with improved bounds checking.
CVE-2026-28959 -
AppleJPEG
Processing a maliciously crafted image may lead to a denial-of-service
This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org .
CVE-2026-1837 -
AppleJPEG
Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory
A memory corruption issue was addressed with improved input validation.
CVE-2026-28956 -
CoreSymbolication
Parsing a maliciously crafted file may lead to an unexpected app termination
An out-of-bounds access issue was addressed with improved bounds checking.
CVE-2026-28918 -
ImageIO
Processing a maliciously crafted image may corrupt process memory
A buffer overflow issue was addressed with improved memory handling.
CVE-2026-43661 -
ImageIO
Processing a maliciously crafted file may lead to unexpected app termination
The issue was addressed with improved bounds checks.
CVE-2026-28977 -
ImageIO
Processing a maliciously crafted image may corrupt process memory
The issue was addressed with improved memory handling.
CVE-2026-28990 -
IOHIDFamily
An attacker may be able to cause unexpected app termination
A memory corruption vulnerability was addressed with improved locking.
CVE-2026-28992 -
IOKit
An app may be able to cause unexpected system termination
A use after free issue was addressed with improved memory management.
CVE-2026-28969 -
Kernel
An app may be able to cause unexpected system termination
A race condition was addressed with additional validation.
CVE-2026-28986 -
LaunchServices
A remote attacker may be able to cause a denial of service
A type confusion issue was addressed with improved checks.
CVE-2026-28983 -
mDNSResponder
An attacker on the local network may be able to cause a denial-of-service
The issue was addressed with improved memory handling.
CVE-2026-43653 -
mDNSResponder
An attacker on the local network may be able to cause a denial-of-service
A null pointer dereference was addressed with improved input validation.
CVE-2026-28985 -
mDNSResponder
An attacker on the local network may be able to cause a denial-of-service
An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2026-43666 -
Model I/O
Processing a maliciously crafted image may corrupt process memory
The issue was addressed with improved memory handling.
CVE-2026-28940 -
SceneKit
A remote attacker may be able to cause unexpected app termination
A buffer overflow was addressed with improved bounds checking.
CVE-2026-28846 -
Spotlight
An app may be able to cause a denial-of-service
This issue was addressed with improved checks to prevent unauthorized actions.
CVE-2026-28974 -
WebKit
Processing maliciously crafted web content may lead to an unexpected Safari crash
The issue was addressed with improved memory handling.
CVE-2026-43658CVE-2026-28984 -
WebKit
Processing maliciously crafted web content may lead to an unexpected process crash
The issue was addressed with improved memory handling.
CVE-2026-28905CVE-2026-28847CVE-2026-28904CVE-2026-28955CVE-2026-28903CVE-2026-28953CVE-2026-28902CVE-2026-28901CVE-2026-28913 -
WebKit
Processing maliciously crafted web content may lead to an unexpected process crash
A use-after-free issue was addressed with improved memory management.
CVE-2026-28883 -
WebKit
Processing maliciously crafted web content may lead to an unexpected process crash
The issue was addressed with improved input validation.
CVE-2026-28917 -
WebKit
Processing maliciously crafted web content may lead to an unexpected Safari crash
A use-after-free issue was addressed with improved memory management.
CVE-2026-28947CVE-2026-28942 -
Audio
Processing an audio stream in a maliciously crafted media file may terminate the process
The issue was addressed with improved memory handling.
CVE-2026-39869 -
WebKit
Processing maliciously crafted web content may prevent Content Security Policy from being enforced
A validation issue was addressed with improved logic.
CVE-2026-43660 -
WebKit
Processing maliciously crafted web content may prevent Content Security Policy from being enforced
The issue was addressed with improved input validation.
CVE-2026-28907
tvOS 26 Security Release History
tvOS 26.5 in context: the security releases Apple has published for tvOS 26, newest first, with the number of fixes each carried.
The Same Fixes Elsewhere
Apple ships most fixes to every platform that shares the code, and to older versions still under support. These releases close at least one of the same CVEs:
Frequently Asked Questions
What does tvOS 26.5 fix?
48 security vulnerabilities in 21 parts of the system, from Apple's advisory of May 11, 2026.
Was anything fixed in tvOS 26.5 exploited?
Apple does not say so for any of the 48 fixes.
Which devices can install tvOS 26.5?
Apple TV HD and Apple TV 4K (all models).
Is tvOS 26.5 the latest security update?
No. tvOS 26.6, from July 27, 2026, is newer and includes these fixes.
Source: About the security content of tvOS 26.5, Apple. Rechecked automatically while Apple is still adding entries.