CVE-2026-28959
Last modified
CVE-2026-28959 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. EPSS estimates a 0.60% chance of exploitation in the next 30 days.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. An app may be able to cause unexpected system termination.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.9 |
| Apple | Ipados | >= 26.0, < 26.5 |
| Apple | Iphone Os | < 18.7.9 |
| Apple | Iphone Os | >= 26.0, < 26.5 |
| Apple | Macos | >= 14.0, < 14.8.7 |
| Apple | Macos | >= 15.0, < 15.7.7 |
| Apple | Macos | >= 26.0, < 26.5 |
| Apple | Tvos | < 26.5 |
| Apple | Visionos | < 26.5 |
| Apple | Watchos | < 26.5 |
References
- https://support.apple.com/en-us/127110Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127111Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127116Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127117Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127118Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127119Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127120Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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