AppleCVE-2026-86903
Apple iOS and iPadOS: out-of-bounds read
Fix: upgrade to 27 or later (3 fixed versions below)
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS 27. An app may be able to disclose kernel memory.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 27 | 27 |
| macOS Product | < 27 | 27 |
| tvOS Product | < 27 | 27 |
| visionOS Product | < 27 | 27 |
| watchOS Product | < 27 | 27 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-125