CVE-2026-50657 Details
Description
Exposure of private personal information to an unauthorized actor in Microsoft Defender allows an authorized attacker to disclose information locally.
A vulnerability in Microsoft Defender for Endpoint on Mac allows an authorized attacker to locally disclose private personal information to an unauthorized actor. This issue arises from improper handling of sensitive data, creating a risk of information exposure.
Users can download the security update for Microsoft Defender for Endpoint for Mac from the Microsoft 365 Defender portal. For more information, refer to the release notes on the Microsoft Docs website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657 | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-359 | Exposure of Private Personal Information to an Unauthorized Actor | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft defender for endpoint | >= 101.0.0, < 101.26042.0020 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | Initial Analysis | [email protected] |
| Jul 15, 2026 | CVE Modified | CISA-ADP |
| Jul 14, 2026 | New CVE Received | [email protected] |