CVE-2026-50657: CWE-359: Exposure of Private Personal Information to an Unauthorized Actor in Microsoft Microsoft Defender for Endpoint for Mac
CVE-2026-50657 is a vulnerability in Microsoft Defender for Endpoint for Mac that allows an authorized attacker to locally disclose private personal information. The issue is classified under CWE-359, indicating exposure of private information to unauthorized actors. The vulnerability has a medium severity with a CVSS score of 4.7. An official fix is available from Microsoft to address this issue.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-50657) affects Microsoft Defender for Endpoint for Mac version 101.0.0. It involves the exposure of private personal information to an unauthorized actor, exploitable by an authorized attacker locally. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, no user interaction, and impacts confidentiality with high severity. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized attacker with local access can disclose private personal information that should be protected, potentially leading to privacy violations. There is no impact on integrity or availability. The vulnerability does not appear to be exploited in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the vendor-provided patch promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657 for detailed update instructions.
CVE-2026-50657: CWE-359: Exposure of Private Personal Information to an Unauthorized Actor in Microsoft Microsoft Defender for Endpoint for Mac
Description
CVE-2026-50657 is a vulnerability in Microsoft Defender for Endpoint for Mac that allows an authorized attacker to locally disclose private personal information. The issue is classified under CWE-359, indicating exposure of private information to unauthorized actors. The vulnerability has a medium severity with a CVSS score of 4.7. An official fix is available from Microsoft to address this issue.
CVSS v3.1
Score 4.7medium
Affected software
pkg:github/microsoft/defender-for-endpoint-for-macRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-50657) affects Microsoft Defender for Endpoint for Mac version 101.0.0. It involves the exposure of private personal information to an unauthorized actor, exploitable by an authorized attacker locally. The CVSS 3.1 vector indicates that the attack requires local access with high attack complexity and low privileges, no user interaction, and impacts confidentiality with high severity. Microsoft has released an official fix to remediate this vulnerability.
Potential Impact
An authorized attacker with local access can disclose private personal information that should be protected, potentially leading to privacy violations. There is no impact on integrity or availability. The vulnerability does not appear to be exploited in the wild at this time.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the vendor-provided patch promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657 for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:33:50.831Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50657","vendor":"Microsoft"}]
Threat ID: 6a5676a968715ace43f096da
Added to database: 07/14/2026, 17:49:29 UTC
Last enriched: 07/14/2026, 22:49:05 UTC
Last updated: 07/15/2026, 03:07:40 UTC
Views: 2
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