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Microsoft Security Response CenterCVE-2026-56178

Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability

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

Read the vendor bulletin Get alerts for Microsoft Defender for Endpoint for Mac
5.5CVSS out of 10High severity
Scope

What the vendor says is affected

  • Microsoft Defender for Endpoint for Mac

Versions the vendor lists as fixed

  • 101.26042.0020
Next step

What the vendor recommends

Release Notes

Review the complete instructions on the vendor's site
Timeline

When this advisory changed

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-56178View CVSS, KEV, EPSS, and threat context
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