CVE-2026-45647

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

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45647	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:defender_for_endpoint:*:*:*:*:*:macos:*:*

History

23 Jul 2026, 08:10

Type	Values Removed	Values Added
Summary		(es) Condición de carrera de tiempo de verificación tiempo de uso (TOCTOU) en Microsoft Defender for Endpoint permite a un atacante autorizado elevar privilegios localmente.

19 Jun 2026, 03:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:microsoft:defender_for_endpoint::::::macos::*
First Time		Microsoft defender For Endpoint Microsoft
References	~~() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45647 -~~	() https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45647 - Vendor Advisory

09 Jun 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-09 17:17

Updated : 2026-07-23 08:10

NVD link : CVE-2026-45647

Mitre link : CVE-2026-45647

CVE.ORG link : CVE-2026-45647

JSON object : View

Products Affected

microsoft

defender_for_endpoint

CWE

CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition

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