# CVE-2026-43748

## Summary

- **CVE ID:** CVE-2026-43748
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Jul 27, 2026
- **Last Modified:** Sep 14, 2026

## Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

## Affected Products

- Apple — macOS (0)
- Apple — iOS and iPadOS (0)

## References

- [CNA](https://support.apple.com/en-us/128067)
- [CNA](https://support.apple.com/en-us/128071)
- [CNA](https://support.apple.com/en-us/128066)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.60%
- **EPSS Percentile:** 47.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._