CVE-2026-45647

Medium

Description

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

SeverityMedium
CVSS5.5
Exploit probability—
ProductMicrosoft Defender For Endpoint
PublishedJun 9, 2026
First seenJun 9, 2026
Weakness typeCWE-367CWE-367

How to fix

Update
  • microsoft defender_for_endpoint101.26042.0011 or later

Affected products

ProductAffected versionsFixed in
microsoft defender_for_endpointv < 101.26042.0011101.26042.0011

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

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