Advisoriesby IbisAppleCVE-2026-84609
Apple iOS and iPadOS: buffer overflow
Fix: upgrade to 27 or later (3 fixed versions below)
A permissions issue was addressed with improved path validation. 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. An app may be able to modify protected system files.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| iOS and iPadOS Product | < 27 | 27 |
| macOS Product | < 15.8 | 15.8 |
| < 26.7 | 26.7 | |
| < 27 | 27 | |
| tvOS Product | < 27 | 27 |
| visionOS Product | < 27 | 27 |
| watchOS Product | < 27 | 27 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- CISA (its enrichment of the CVE record)
- Weakness
- CWE-120