CVE-2026-84511
published 2026-09-14CVE-2026-84511: An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia…
PriorityP340high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
0.17%
5.6th percentile
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | < 27 | 27 |
| apple | ipados | < 27.0 | 27.0 |
| apple | iphone_os | < 27.0 | 27.0 |
| apple | macos | < 15.8 | 15.8 |
| apple | macos | < 26.7 | 26.7 |
| apple | macos | < 27 | 27 |
| apple | macos | >= 15.0 < 15.8 | 15.8 |
| apple | macos | >= 26.0 < 26.7 | 26.7 |
| apple | tvos | < 27 | 27 |
| apple | tvos | < 27.0 | 27.0 |
| apple | visionos | < 27 | 27 |
| apple | visionos | < 27.0 | 27.0 |
| apple | watchos | < 27 | 27 |
| apple | watchos | < 27.0 | 27.0 |
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VulDB
Apple iPadOS/iOS/macOS/tvOS/visionOS/watchOS prior prior iOS 27 out-of-bounds write
vuldb·2026-09-19·CVSS 7.8
CVE-2026-84511 [HIGH] Apple iPadOS/iOS/macOS/tvOS/visionOS/watchOS prior prior iOS 27 out-of-bounds write
A vulnerability was found in Apple iPadOS, iOS, macOS, tvOS, visionOS and watchOS. It has been declared as problematic. This affects an unknown function. Executing a manipulation can lead to out-of-bounds write.
This vulnerability is handled as CVE-2026-84511. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.
GHSA
An out-of-bounds write issue was addressed with improved bounds checking.
ghsa_unreviewed·2026-09-14
CVE-2026-84511 An out-of-bounds write issue was addressed with improved bounds checking.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted asset catalog may lead to unexpected process termination.
No detection rules found.
No public exploits indexed.
2026-09-14
Published