CVE-2026-50658: Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7)

CVSS Vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Jul

Released

2026-07-14

Description

Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.

Affected Products (1)

System Center

• Microsoft Defender for Endpoint for Mac

Security Updates (1)

• Release Notes

Acknowledgments

<a href="https://spaceraccoon.dev/">Eugene Lim</a>

Revision History

• 2026-07-14: Information published.