Exposure of Private Information ('Privacy Violation') in Defender for Endpoint for macOS - CVE-2026-50657
Published: July 17, 2026
Vulnerability identifier: #VU138268
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-50657
CWE-ID: CWE-359
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to exposure of private personal information to an unauthorized actor in Microsoft Defender for Endpoint for Mac. A local user can gain unauthorized access to sensitive information on the system.
Affected software
Defender for Endpoint for macOS
How to mitigate CVE-2026-50657
Install updates from vendor's website.
Defender for Endpoint for macOS - update to 101.26042.0020