Vulnerability Description
A stack overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.
CVSS Score
7.1
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Macos | >= 14.0, < 14.8.8 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/128067Release NotesVendor Advisory
- https://support.apple.com/en-us/128071Release NotesVendor Advisory
- https://support.apple.com/en-us/128072Release NotesVendor Advisory
FAQ
What is CVE-2026-43771?
CVE-2026-43771 is a vulnerability with a CVSS score of 7.1 (HIGH). A stack overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to cause a denial-of-service.
How severe is CVE-2026-43771?
CVE-2026-43771 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-43771?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Macos.