CVE-2026-50657

Microsoft Defender for Endpoint for Mac Information Disclosure Vulnerability

CVE-2026-50657 is fixed in Microsoft Defender on 1 platform by Microsoft Defender 101.26042.0020 (version 101.26042.0020), released June 12, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

Important

Exploitation

None reported

Exploitation Less Likely

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0040

34th percentile

<p>Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.</p>

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Microsoft Defender	101.26042.0020	Microsoft Defender 101.26042.0020	Jun 12, 2026

Details

Published
July 14, 2026
Weakness
Exposure of Private Personal Information to an Unauthorized Actor
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657

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