Vulnerability Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.5.2 |
| Apple | Ipados | < 26.5.2 |
| Apple | Iphone Os | < 26.5.2 |
| Apple | Macos | < 26.5.2 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/127594Vendor Advisory
- https://support.apple.com/en-us/127595Vendor Advisory
- https://support.apple.com/en-us/127685Vendor Advisory
- https://support.apple.com/en-us/128068
- https://support.apple.com/en-us/128069
- https://support.apple.com/en-us/128070
FAQ
What is CVE-2026-43704?
CVE-2026-43704 is a vulnerability with a CVSS score of 5.3 (MEDIUM). A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A ...
How severe is CVE-2026-43704?
CVE-2026-43704 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43704?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos.