# CVE-2026-54123

## Summary

- **CVE ID:** CVE-2026-54123
- **Severity:** MEDIUM
- **CVSS Score:** 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
- **CWE:** CWE-200
- **Published:** Aug 11, 2026
- **Last Modified:** Sep 16, 2026

## Description

Exposure of sensitive information to an unauthorized actor in Microsoft Defender for Endpoint allows an authorized attacker to disclose information locally.

## Affected Products

- Microsoft — Microsoft Defender for Endpoint for Mac (101.0.0)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54123)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.44%
- **EPSS Percentile:** 37.3

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