CVE-2026-43661
Last modified
CVE-2026-43661 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
Description
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.
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 | < 26.5 |
| Apple | Iphone Os | < 26.5 |
| Apple | Macos | >= 26.0, < 26.5 |
| Apple | Tvos | < 26.5 |
| Apple | Watchos | < 26.5 |
References
- https://support.apple.com/en-us/127110Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127115Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127118Release Notes, Vendor Advisory
- https://support.apple.com/en-us/127119Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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