# CVE-2026-84505

## Summary

- **CVE ID:** CVE-2026-84505
- **Severity:** HIGH
- **CVSS Score:** 7.8 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** N/A
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to gain root privileges.

## Affected Products

- Apple — macOS (0)

## References

- [CNA](https://support.apple.com/en-us/149035)
- [CNA](https://support.apple.com/en-us/149042)
- [CNA](https://support.apple.com/en-us/149043)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._