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

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Microsoft Microsoft Defender for Endpoint for Mac affected
Version Status Constraints
101.0.0 affected < 101.26042.0020

No data.

No data.

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Project Subscriptions

Vendors Products
Microsoft Subscribe
Defender For Endpoint Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50658 cve-icon
History

Tue, 14 Jul 2026 17:45:00 +0000

Type Values Removed Values Added
Description Time-of-check time-of-use (toctou) race condition in Microsoft Defender allows an authorized attacker to elevate privileges locally.
Title Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft defender For Endpoint
Weaknesses CWE-367
CPEs cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:macos:*:*
Vendors & Products Microsoft
Microsoft defender For Endpoint
References
Metrics cvssV3_1

{'score': 7, '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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-07-14T18:44:50.434Z

Reserved: 2026-06-05T14:33:50.831Z

Link: CVE-2026-50658

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses