What is CVE-2026-45647?

CVE-2026-45647 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-45647 cover?

CVE-2026-45647 covers the following CVE IDs: CVE-2026-45647. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-45647?

CVE-2026-45647 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-45647?

CVE-2026-45647 affects 1 product, including: Microsoft Defender for Endpoint for Mac.

CVE-2026-45647HighCVSS 5.5

Microsoft Defender for Endpoint for Mac Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

June 10, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-45647 →

📋 Description

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

🎯 Affected products1

Microsoft Defender for Endpoint for Mac

✅ Remediation

KBRelease Notes (Security Update) — fixed build 101.26042.0011

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45647
referencehttps://learn.microsoft.com/en-us/defender-endpoint/mac-updates?view=o365-worldwide