CVE-2026-84489
MEDIUMCVSS 5.5/10EPSS 0.21%
Last modified
CVE-2026-84489 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 18.7.10 |
| Apple | Iphone Os | < 18.7.10 |
| Apple | Macos | >= 14.0, < 14.8.8 |
| Apple | Macos | >= 15.0, < 15.7.8 |
References
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
- https://support.apple.com/en-us/148287Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149034Release Notes, Vendor Advisory
- https://support.apple.com/en-us/149035Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-84489?
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. An app may be able to cause a denial of service.
How severe is CVE-2026-84489?
CVE-2026-84489 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-84489?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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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Are you affected by CVE-2026-84489?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST