# CVE-2026-84536

## Summary

- **CVE ID:** CVE-2026-84536
- **Severity:** MEDIUM
- **CVSS Score:** 6.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
- **CWE:** N/A
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination.

## 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:** 0.40%
- **EPSS Percentile:** 33.4

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