5.5
Medium
CVE-2026-86942 An out-of-bounds read was addressed with improved bounds checking
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, visionOS 27. An app may be able to cause a denial-of-service.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitable with local access to the machine, without an account and if a user takes an action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- Interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| iOS and iPadOS 27 | earliest → < 27 | 27 |
| iOS and iPadOS 26.7 | earliest → < 26.7.2 | 26.7.2 |
| macOS 27 | earliest → < 27 | 27 |
| macOS 26.7 | earliest → < 26.7.2 | 26.7.2 |
| macOS 15.8 | earliest → < 15.8.2 | 15.8.2 |
| visionOS 27 | earliest → < 27 | 27 |
References
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
- support.apple.com support.apple.com
Timeline
- Published
- Last modified
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