Vulnerability Description
An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be able to read files outside of its sandbox.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 26.6 |
| Apple | Ipados | < 26.6 |
| Apple | Iphone Os | < 26.6 |
| Apple | Macos | >= 26.0, < 26.6 |
| Apple | Tvos | < 26.6 |
| Apple | Visionos | < 26.6 |
| Apple | Watchos | < 26.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/128066Release NotesVendor Advisory
- https://support.apple.com/en-us/128067Release NotesVendor Advisory
- https://support.apple.com/en-us/128068Release NotesVendor Advisory
- https://support.apple.com/en-us/128069Release NotesVendor Advisory
- https://support.apple.com/en-us/128070Release NotesVendor Advisory
- https://support.apple.com/en-us/128073Release NotesVendor Advisory
FAQ
What is CVE-2026-43821?
CVE-2026-43821 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An access issue was addressed with improved access restrictions. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. An app may be a...
How severe is CVE-2026-43821?
CVE-2026-43821 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43821?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos.