CVE-2026-56178 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

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.

No data.

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-2026-56178

History

Tue, 14 Jul 2026 19:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

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 for Endpoint 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		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-56178
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-07-14T17:09:24.821Z

Updated: 2026-07-14T19:41:35.837Z

Reserved: 2026-06-19T13:53:31.990Z

Link: CVE-2026-56178

Vulnrichment

Updated: 2026-07-14T18:55:35.330Z

NVD

No data.

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-367

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